<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@vertical+block@Quantum_algorithms_-_lecture_overview" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="vertical" data-runtime-version="1" data-has-score="False" data-graded="True">
<h2 class="hd hd-2 unit-title">Quantum algorithms - lecture overview</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15a">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15a" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="video" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Quantum algorithms - lecture overview</h3>
<div
id="video_M3L15a"
class="video closed"
data-metadata='{"poster": null, "transcriptTranslationUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15a/handler/transcript/translation/__lang__", "streams": "1.00:zzs8vOtnQ-0", "showCaptions": "true", "start": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu", "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15a/handler/transcript/available_translations", "autoAdvance": false, "ytTestTimeout": 1500, "transcriptLanguages": {"en": "English"}, "transcriptLanguage": "en", "saveStateUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15a/handler/xmodule_handler/save_user_state", "ytMetadataEndpoint": "", "recordedYoutubeIsAvailable": true, "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "autoplay": false, "publishCompletionUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15a/handler/publish_completion", "duration": 0.0, "completionPercentage": 0.95, "captionDataDir": null, "speed": null, "completionEnabled": false, "generalSpeed": 1.0, "prioritizeHls": false, "saveStateEnabled": false, "savedVideoPosition": 0.0, "end": 0.0, "sources": []}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="M3L15a"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box1">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box1" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="html" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<span><a href="/asset-v1:MITx+8.371.3x+2T2018+type@asset+block/NONE" id="dummy_course_static_link" style="display:none"/><a href="/courses/course-v1:MITx+8.371.3x+2T2018/jump_to_id/NONE" id="dummy_jump_link" style="display:none"/><script type="text/javascript">
var add_site_search = function(){
course_static_url = $('#dummy_course_static_link').attr('href').replace('/NONE', '');
jump_to_url = $('#dummy_jump_link').attr('href').replace('/NONE', '');
if (typeof String.prototype.startsWith != 'function') {
// see below for better implementation!
String.prototype.startsWith = function (str){
return this.indexOf(str) === 0;
};
}
if(typeof(String.prototype.trim) === "undefined")
{
String.prototype.trim = function()
{
return String(this).replace(/^\s+|\s+$/g, '');
};
}
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var amp = String.fromCharCode(38);
var rlb = rb + lb;
var mke = function(x){ return lb + x + rb; }
var search_module_url = "";
var get_search_module_ficus = function(){
var cid = $('div.xblock').data('course-id');
if (cid){
console.log("cid = ", cid);
// search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/" + cid + "/courseware/welcome/Search_this_course/";
search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/courseware/welcome/Search_this_course/"; // automatically rewritten
console.log("3. search_module_url = ", search_module_url);
return;
}
var course_root_link = $('span.nav-item-course').find('a').attr('href');
if (course_root_link){
console.log("course_root_link = ", course_root_link);
search_module_url = course_root_link.replace("course/", "courseware/welcome/Search_this_course/");
console.log("2. search_module_url = ", search_module_url);
return
}
console.log("cannot determine search module url");
}
var get_search_module = function(){
// find search this module link
if (!($('div.course-index').length)){
return get_search_module_ficus();
}
$('div.course-index').find('nav').find('a').each(function(){
if ($(this).text().trim().startsWith("Search this course")){
search_module_url = $(this).attr('href');
console.log("search_module_url = ", search_module_url);
}
});
}
var go_to_search = function(){
get_search_module();
var sterm = $('#site-search-box').val();
// new_url = jump_to_url + "/Search_this_module/?q=" + sterm;
new_url = search_module_url + "?q=" + sterm;
console.log("sterm = ", sterm, " ; going to ", new_url);
window.location.href = new_url;
}
if (!$('#site-search-box').length){
$("nav.courseware").find("ol").append(lb + "section style='float:right'" + rlb + "input size='20'"
+ " id='site-search-box'"
+ rlb + "img src='" + course_static_url
+ "/images_search_glass.png'/" + rlb + "/input" + rlb + "/section" + rb);
}
$("#site-search-box").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
go_to_search();
}
});
// $('#site-search-box').bind("enterKey", go_to_search);
var get = function(x){
return eval(x);
}
return {'course_static_url': course_static_url,
'jump_to_url': jump_to_url,
'go_to_search': go_to_search,
'get_search_module': get_search_module,
'get_search_module_ficus': get_search_module_ficus,
'get': get,
}
}
var the_site_search = add_site_search();
var add_fix_transcript = function(){
if ($('div.wrap-instructor-info').length==0){
return;
}
$('div.xblock-student_view-video').each(function(key, vblock_e){
var vblock = $(vblock_e);
var vuid = vblock.data('usage-id').split('@');
var vid;
if (vuid.length==1){
vuid = vblock.data('usage-id').split(';_')
vid = vuid[5];
}else{
vid = vuid[2];
}
var mfnpre = vid.split("_video",1)[0];
var mfnid = mfnpre; // no periods
mfnpre = mfnpre.replace('8_370', '8.370'); // periods in gh filename
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var mke = function(x){ return lb + x + rb; }
var ftid = "fix_transcript_" + mfnid;
if (!$('#' + ftid).length){
var html = lb + "span id='" + ftid + "' style='float:right'" + rb + lb + "a href='#'" + rb;
html += "contribute transcript fix" + mke("/a") + mke("/span");
console.log("html = ", html);
vblock.after(html)
}
$('#' + ftid).click(function(){
var cst = $('ol.subtitles').find('li.current');
var cindex = Number(cst.data('index'));
var gurl;
if (mfnpre.endsWith('_cq_sol')){
gurl = "https://github.com/mitocw/content-mit-8370x-cq-sol-subtitles/blob/master/";
}else{
gurl = "https://github.com/mitocw/content-mit-8370x-subtitles/blob/master/";
}
gurl += mfnpre + ".txt#L" + String(cindex + 10 + 1);
console.log("going to ", gurl);
window.open(gurl, "MITx 8.370x subtitle source");
});
});
}
try{
add_fix_transcript();
}
catch(err){
console.log(err);
}
try{
var rb = String.fromCharCode(62);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 3000);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 8000);
}
catch(err){
console.log(err);
}
</script></span>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@vertical+block@Models_of_quantum_algorithms" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="vertical" data-runtime-version="1" data-has-score="False" data-graded="True">
<h2 class="hd hd-2 unit-title">Models of quantum algorithms</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15b">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15b" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="video" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Models of quantum algorithms</h3>
<div
id="video_M3L15b"
class="video closed"
data-metadata='{"poster": null, "transcriptTranslationUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15b/handler/transcript/translation/__lang__", "streams": "1.00:nNEQ3T3NVS0", "showCaptions": "true", "start": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu", "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15b/handler/transcript/available_translations", "autoAdvance": false, "ytTestTimeout": 1500, "transcriptLanguages": {"en": "English"}, "transcriptLanguage": "en", "saveStateUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15b/handler/xmodule_handler/save_user_state", "ytMetadataEndpoint": "", "recordedYoutubeIsAvailable": true, "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "autoplay": false, "publishCompletionUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15b/handler/publish_completion", "duration": 0.0, "completionPercentage": 0.95, "captionDataDir": null, "speed": null, "completionEnabled": false, "generalSpeed": 1.0, "prioritizeHls": false, "saveStateEnabled": false, "savedVideoPosition": 0.0, "end": 0.0, "sources": []}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="M3L15b"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box2">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box2" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="html" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<span><a href="/asset-v1:MITx+8.371.3x+2T2018+type@asset+block/NONE" id="dummy_course_static_link" style="display:none"/><a href="/courses/course-v1:MITx+8.371.3x+2T2018/jump_to_id/NONE" id="dummy_jump_link" style="display:none"/><script type="text/javascript">
var add_site_search = function(){
course_static_url = $('#dummy_course_static_link').attr('href').replace('/NONE', '');
jump_to_url = $('#dummy_jump_link').attr('href').replace('/NONE', '');
if (typeof String.prototype.startsWith != 'function') {
// see below for better implementation!
String.prototype.startsWith = function (str){
return this.indexOf(str) === 0;
};
}
if(typeof(String.prototype.trim) === "undefined")
{
String.prototype.trim = function()
{
return String(this).replace(/^\s+|\s+$/g, '');
};
}
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var amp = String.fromCharCode(38);
var rlb = rb + lb;
var mke = function(x){ return lb + x + rb; }
var search_module_url = "";
var get_search_module_ficus = function(){
var cid = $('div.xblock').data('course-id');
if (cid){
console.log("cid = ", cid);
// search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/" + cid + "/courseware/welcome/Search_this_course/";
search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/courseware/welcome/Search_this_course/"; // automatically rewritten
console.log("3. search_module_url = ", search_module_url);
return;
}
var course_root_link = $('span.nav-item-course').find('a').attr('href');
if (course_root_link){
console.log("course_root_link = ", course_root_link);
search_module_url = course_root_link.replace("course/", "courseware/welcome/Search_this_course/");
console.log("2. search_module_url = ", search_module_url);
return
}
console.log("cannot determine search module url");
}
var get_search_module = function(){
// find search this module link
if (!($('div.course-index').length)){
return get_search_module_ficus();
}
$('div.course-index').find('nav').find('a').each(function(){
if ($(this).text().trim().startsWith("Search this course")){
search_module_url = $(this).attr('href');
console.log("search_module_url = ", search_module_url);
}
});
}
var go_to_search = function(){
get_search_module();
var sterm = $('#site-search-box').val();
// new_url = jump_to_url + "/Search_this_module/?q=" + sterm;
new_url = search_module_url + "?q=" + sterm;
console.log("sterm = ", sterm, " ; going to ", new_url);
window.location.href = new_url;
}
if (!$('#site-search-box').length){
$("nav.courseware").find("ol").append(lb + "section style='float:right'" + rlb + "input size='20'"
+ " id='site-search-box'"
+ rlb + "img src='" + course_static_url
+ "/images_search_glass.png'/" + rlb + "/input" + rlb + "/section" + rb);
}
$("#site-search-box").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
go_to_search();
}
});
// $('#site-search-box').bind("enterKey", go_to_search);
var get = function(x){
return eval(x);
}
return {'course_static_url': course_static_url,
'jump_to_url': jump_to_url,
'go_to_search': go_to_search,
'get_search_module': get_search_module,
'get_search_module_ficus': get_search_module_ficus,
'get': get,
}
}
var the_site_search = add_site_search();
var add_fix_transcript = function(){
if ($('div.wrap-instructor-info').length==0){
return;
}
$('div.xblock-student_view-video').each(function(key, vblock_e){
var vblock = $(vblock_e);
var vuid = vblock.data('usage-id').split('@');
var vid;
if (vuid.length==1){
vuid = vblock.data('usage-id').split(';_')
vid = vuid[5];
}else{
vid = vuid[2];
}
var mfnpre = vid.split("_video",1)[0];
var mfnid = mfnpre; // no periods
mfnpre = mfnpre.replace('8_370', '8.370'); // periods in gh filename
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var mke = function(x){ return lb + x + rb; }
var ftid = "fix_transcript_" + mfnid;
if (!$('#' + ftid).length){
var html = lb + "span id='" + ftid + "' style='float:right'" + rb + lb + "a href='#'" + rb;
html += "contribute transcript fix" + mke("/a") + mke("/span");
console.log("html = ", html);
vblock.after(html)
}
$('#' + ftid).click(function(){
var cst = $('ol.subtitles').find('li.current');
var cindex = Number(cst.data('index'));
var gurl;
if (mfnpre.endsWith('_cq_sol')){
gurl = "https://github.com/mitocw/content-mit-8370x-cq-sol-subtitles/blob/master/";
}else{
gurl = "https://github.com/mitocw/content-mit-8370x-subtitles/blob/master/";
}
gurl += mfnpre + ".txt#L" + String(cindex + 10 + 1);
console.log("going to ", gurl);
window.open(gurl, "MITx 8.370x subtitle source");
});
});
}
try{
add_fix_transcript();
}
catch(err){
console.log(err);
}
try{
var rb = String.fromCharCode(62);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 3000);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 8000);
}
catch(err){
console.log(err);
}
</script></span>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@vertical+block@CQ_Models_of_quantum_algorithms" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="vertical" data-runtime-version="1" data-has-score="False" data-graded="True">
<h2 class="hd hd-2 unit-title">CQ: Models of quantum algorithms</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Models_of_quantum_algorithms">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Models_of_quantum_algorithms" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="problem" data-runtime-version="1" data-has-score="True" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_cq_M2L15_Models_of_quantum_algorithms" class="problems-wrapper" role="group"
aria-labelledby="cq_M2L15_Models_of_quantum_algorithms-problem-title"
data-problem-id="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Models_of_quantum_algorithms" data-url="/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Models_of_quantum_algorithms/handler/xmodule_handler"
data-problem-score="0"
data-problem-total-possible="1"
data-attempts-used="0"
data-content="
<h3 class="hd hd-3 problem-header" id="cq_M2L15_Models_of_quantum_algorithms-problem-title" aria-describedby="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Models_of_quantum_algorithms-problem-progress" tabindex="-1">
Models of quantum algorithms
</h3>
<div class="problem-progress" id="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Models_of_quantum_algorithms-problem-progress"></div>
<div class="problem">
<div>
<p>
This is a concept question, provided to check your understanding of the previous lecture video clips. </p>
<p>
Which of the following are true? </p>
<p>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_cq_M2L15_Models_of_quantum_algorithms_2_1">
<fieldset aria-describedby="status_cq_M2L15_Models_of_quantum_algorithms_2_1">
<div class="field">
<input type="checkbox" name="input_cq_M2L15_Models_of_quantum_algorithms_2_1[]" id="input_cq_M2L15_Models_of_quantum_algorithms_2_1_choice_0" class="field-input input-checkbox" value="choice_0"/><label id="cq_M2L15_Models_of_quantum_algorithms_2_1-choice_0-label" for="input_cq_M2L15_Models_of_quantum_algorithms_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_cq_M2L15_Models_of_quantum_algorithms_2_1">
<text>Shor's algorithm is an example of the standard model of quantum algorithms.</text>
</label>
</div>
<div class="field">
<input type="checkbox" name="input_cq_M2L15_Models_of_quantum_algorithms_2_1[]" id="input_cq_M2L15_Models_of_quantum_algorithms_2_1_choice_1" class="field-input input-checkbox" value="choice_1"/><label id="cq_M2L15_Models_of_quantum_algorithms_2_1-choice_1-label" for="input_cq_M2L15_Models_of_quantum_algorithms_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_cq_M2L15_Models_of_quantum_algorithms_2_1">
<text>A quantum oracle can be thought of as black box which produces an [mathjaxinline]n[/mathjaxinline]-qubit quantum state.</text>
</label>
</div>
<div class="field">
<input type="checkbox" name="input_cq_M2L15_Models_of_quantum_algorithms_2_1[]" id="input_cq_M2L15_Models_of_quantum_algorithms_2_1_choice_2" class="field-input input-checkbox" value="choice_2"/><label id="cq_M2L15_Models_of_quantum_algorithms_2_1-choice_2-label" for="input_cq_M2L15_Models_of_quantum_algorithms_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_cq_M2L15_Models_of_quantum_algorithms_2_1">
<text>Phase estimation is an example of the quantum oracle model of quantum algorithms category.</text>
</label>
</div>
<div class="field">
<input type="checkbox" name="input_cq_M2L15_Models_of_quantum_algorithms_2_1[]" id="input_cq_M2L15_Models_of_quantum_algorithms_2_1_choice_3" class="field-input input-checkbox" value="choice_3"/><label id="cq_M2L15_Models_of_quantum_algorithms_2_1-choice_3-label" for="input_cq_M2L15_Models_of_quantum_algorithms_2_1_choice_3" class="response-label field-label label-inline" aria-describedby="status_cq_M2L15_Models_of_quantum_algorithms_2_1">
<text>Grover's algorithm is an example of the standard model of quantum algorithms category.</text>
</label>
</div>
<span id="answer_cq_M2L15_Models_of_quantum_algorithms_2_1"/>
</fieldset>
<div class="indicator-container">
<span class="status unanswered" id="status_cq_M2L15_Models_of_quantum_algorithms_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
</div>
</div></div>
</p>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Models of quantum algorithms" />
<div class="submit-attempt-container">
<button type="button" class="submit btn-brand" data-submitting="Submitting" data-value="Submit" data-should-enable-submit-button="True" aria-describedby="submission_feedback_cq_M2L15_Models_of_quantum_algorithms" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_cq_M2L15_Models_of_quantum_algorithms">
<span class="sr">Some problems have options such as save, reset, hints, or show answer. These options follow the Submit button.</span>
</div>
</div>
<div class="problem-action-buttons-wrapper">
<span class="problem-action-button-wrapper">
<button type="button" class="save problem-action-btn btn-default btn-small" data-value="Save">
<span class="icon fa fa-floppy-o" aria-hidden="true"></span>
<span aria-hidden="true">Save</span>
<span class="sr">Save your answer</span>
</button>
</span>
</div>
</div>
<div class="notification warning notification-gentle-alert
is-hidden"
tabindex="-1">
<span class="icon fa fa-exclamation-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="cq_M2L15_Models_of_quantum_algorithms-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification warning notification-save
is-hidden"
tabindex="-1">
<span class="icon fa fa-save" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="cq_M2L15_Models_of_quantum_algorithms-problem-title">None
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification general notification-show-answer
is-hidden"
tabindex="-1">
<span class="icon fa fa-info-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="cq_M2L15_Models_of_quantum_algorithms-problem-title">Answers are displayed within the problem
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
"
data-graded="True">
<p class="loading-spinner">
<i class="fa fa-spinner fa-pulse fa-2x fa-fw"></i>
<span class="sr">Loading…</span>
</p>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@html_site_search_box1">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@html_site_search_box1" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="html" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<span><a href="/asset-v1:MITx+8.371.3x+2T2018+type@asset+block/NONE" id="dummy_course_static_link" style="display:none"/><a href="/courses/course-v1:MITx+8.371.3x+2T2018/jump_to_id/NONE" id="dummy_jump_link" style="display:none"/><script type="text/javascript">
var add_site_search = function(){
course_static_url = $('#dummy_course_static_link').attr('href').replace('/NONE', '');
jump_to_url = $('#dummy_jump_link').attr('href').replace('/NONE', '');
if (typeof String.prototype.startsWith != 'function') {
// see below for better implementation!
String.prototype.startsWith = function (str){
return this.indexOf(str) === 0;
};
}
if(typeof(String.prototype.trim) === "undefined")
{
String.prototype.trim = function()
{
return String(this).replace(/^\s+|\s+$/g, '');
};
}
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var amp = String.fromCharCode(38);
var rlb = rb + lb;
var mke = function(x){ return lb + x + rb; }
var search_module_url = "";
var get_search_module_ficus = function(){
var cid = $('div.xblock').data('course-id');
if (cid){
console.log("cid = ", cid);
// search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/" + cid + "/courseware/welcome/Search_this_course/";
search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/courseware/welcome/Search_this_course/"; // automatically rewritten
console.log("3. search_module_url = ", search_module_url);
return;
}
var course_root_link = $('span.nav-item-course').find('a').attr('href');
if (course_root_link){
console.log("course_root_link = ", course_root_link);
search_module_url = course_root_link.replace("course/", "courseware/welcome/Search_this_course/");
console.log("2. search_module_url = ", search_module_url);
return
}
console.log("cannot determine search module url");
}
var get_search_module = function(){
// find search this module link
if (!($('div.course-index').length)){
return get_search_module_ficus();
}
$('div.course-index').find('nav').find('a').each(function(){
if ($(this).text().trim().startsWith("Search this course")){
search_module_url = $(this).attr('href');
console.log("search_module_url = ", search_module_url);
}
});
}
var go_to_search = function(){
get_search_module();
var sterm = $('#site-search-box').val();
// new_url = jump_to_url + "/Search_this_module/?q=" + sterm;
new_url = search_module_url + "?q=" + sterm;
console.log("sterm = ", sterm, " ; going to ", new_url);
window.location.href = new_url;
}
if (!$('#site-search-box').length){
$("nav.courseware").find("ol").append(lb + "section style='float:right'" + rlb + "input size='20'"
+ " id='site-search-box'"
+ rlb + "img src='" + course_static_url
+ "/images_search_glass.png'/" + rlb + "/input" + rlb + "/section" + rb);
}
$("#site-search-box").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
go_to_search();
}
});
// $('#site-search-box').bind("enterKey", go_to_search);
var get = function(x){
return eval(x);
}
return {'course_static_url': course_static_url,
'jump_to_url': jump_to_url,
'go_to_search': go_to_search,
'get_search_module': get_search_module,
'get_search_module_ficus': get_search_module_ficus,
'get': get,
}
}
var the_site_search = add_site_search();
var add_fix_transcript = function(){
if ($('div.wrap-instructor-info').length==0){
return;
}
$('div.xblock-student_view-video').each(function(key, vblock_e){
var vblock = $(vblock_e);
var vuid = vblock.data('usage-id').split('@');
var vid;
if (vuid.length==1){
vuid = vblock.data('usage-id').split(';_')
vid = vuid[5];
}else{
vid = vuid[2];
}
var mfnpre = vid.split("_video",1)[0];
var mfnid = mfnpre; // no periods
mfnpre = mfnpre.replace('8_370', '8.370'); // periods in gh filename
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var mke = function(x){ return lb + x + rb; }
var ftid = "fix_transcript_" + mfnid;
if (!$('#' + ftid).length){
var html = lb + "span id='" + ftid + "' style='float:right'" + rb + lb + "a href='#'" + rb;
html += "contribute transcript fix" + mke("/a") + mke("/span");
console.log("html = ", html);
vblock.after(html)
}
$('#' + ftid).click(function(){
var cst = $('ol.subtitles').find('li.current');
var cindex = Number(cst.data('index'));
var gurl;
if (mfnpre.endsWith('_cq_sol')){
gurl = "https://github.com/mitocw/content-mit-8370x-cq-sol-subtitles/blob/master/";
}else{
gurl = "https://github.com/mitocw/content-mit-8370x-subtitles/blob/master/";
}
gurl += mfnpre + ".txt#L" + String(cindex + 10 + 1);
console.log("going to ", gurl);
window.open(gurl, "MITx 8.370x subtitle source");
});
});
}
try{
add_fix_transcript();
}
catch(err){
console.log(err);
}
try{
var rb = String.fromCharCode(62);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 3000);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 8000);
}
catch(err){
console.log(err);
}
</script></span>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@vertical+block@Pros_and_cons_of_different_models_of_quantum_algorithms" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="vertical" data-runtime-version="1" data-has-score="False" data-graded="True">
<h2 class="hd hd-2 unit-title">Pros and cons of different models of quantum algorithms</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15c">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15c" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="video" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Pros and cons of different models of quantum algorithms</h3>
<div
id="video_M3L15c"
class="video closed"
data-metadata='{"poster": null, "transcriptTranslationUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15c/handler/transcript/translation/__lang__", "streams": "1.00:KZfi3mbcLAQ", "showCaptions": "true", "start": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu", "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15c/handler/transcript/available_translations", "autoAdvance": false, "ytTestTimeout": 1500, "transcriptLanguages": {"en": "English"}, "transcriptLanguage": "en", "saveStateUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15c/handler/xmodule_handler/save_user_state", "ytMetadataEndpoint": "", "recordedYoutubeIsAvailable": true, "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "autoplay": false, "publishCompletionUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15c/handler/publish_completion", "duration": 0.0, "completionPercentage": 0.95, "captionDataDir": null, "speed": null, "completionEnabled": false, "generalSpeed": 1.0, "prioritizeHls": false, "saveStateEnabled": false, "savedVideoPosition": 0.0, "end": 0.0, "sources": []}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="M3L15c"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box3">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box3" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="html" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<span><a href="/asset-v1:MITx+8.371.3x+2T2018+type@asset+block/NONE" id="dummy_course_static_link" style="display:none"/><a href="/courses/course-v1:MITx+8.371.3x+2T2018/jump_to_id/NONE" id="dummy_jump_link" style="display:none"/><script type="text/javascript">
var add_site_search = function(){
course_static_url = $('#dummy_course_static_link').attr('href').replace('/NONE', '');
jump_to_url = $('#dummy_jump_link').attr('href').replace('/NONE', '');
if (typeof String.prototype.startsWith != 'function') {
// see below for better implementation!
String.prototype.startsWith = function (str){
return this.indexOf(str) === 0;
};
}
if(typeof(String.prototype.trim) === "undefined")
{
String.prototype.trim = function()
{
return String(this).replace(/^\s+|\s+$/g, '');
};
}
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var amp = String.fromCharCode(38);
var rlb = rb + lb;
var mke = function(x){ return lb + x + rb; }
var search_module_url = "";
var get_search_module_ficus = function(){
var cid = $('div.xblock').data('course-id');
if (cid){
console.log("cid = ", cid);
// search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/" + cid + "/courseware/welcome/Search_this_course/";
search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/courseware/welcome/Search_this_course/"; // automatically rewritten
console.log("3. search_module_url = ", search_module_url);
return;
}
var course_root_link = $('span.nav-item-course').find('a').attr('href');
if (course_root_link){
console.log("course_root_link = ", course_root_link);
search_module_url = course_root_link.replace("course/", "courseware/welcome/Search_this_course/");
console.log("2. search_module_url = ", search_module_url);
return
}
console.log("cannot determine search module url");
}
var get_search_module = function(){
// find search this module link
if (!($('div.course-index').length)){
return get_search_module_ficus();
}
$('div.course-index').find('nav').find('a').each(function(){
if ($(this).text().trim().startsWith("Search this course")){
search_module_url = $(this).attr('href');
console.log("search_module_url = ", search_module_url);
}
});
}
var go_to_search = function(){
get_search_module();
var sterm = $('#site-search-box').val();
// new_url = jump_to_url + "/Search_this_module/?q=" + sterm;
new_url = search_module_url + "?q=" + sterm;
console.log("sterm = ", sterm, " ; going to ", new_url);
window.location.href = new_url;
}
if (!$('#site-search-box').length){
$("nav.courseware").find("ol").append(lb + "section style='float:right'" + rlb + "input size='20'"
+ " id='site-search-box'"
+ rlb + "img src='" + course_static_url
+ "/images_search_glass.png'/" + rlb + "/input" + rlb + "/section" + rb);
}
$("#site-search-box").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
go_to_search();
}
});
// $('#site-search-box').bind("enterKey", go_to_search);
var get = function(x){
return eval(x);
}
return {'course_static_url': course_static_url,
'jump_to_url': jump_to_url,
'go_to_search': go_to_search,
'get_search_module': get_search_module,
'get_search_module_ficus': get_search_module_ficus,
'get': get,
}
}
var the_site_search = add_site_search();
var add_fix_transcript = function(){
if ($('div.wrap-instructor-info').length==0){
return;
}
$('div.xblock-student_view-video').each(function(key, vblock_e){
var vblock = $(vblock_e);
var vuid = vblock.data('usage-id').split('@');
var vid;
if (vuid.length==1){
vuid = vblock.data('usage-id').split(';_')
vid = vuid[5];
}else{
vid = vuid[2];
}
var mfnpre = vid.split("_video",1)[0];
var mfnid = mfnpre; // no periods
mfnpre = mfnpre.replace('8_370', '8.370'); // periods in gh filename
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var mke = function(x){ return lb + x + rb; }
var ftid = "fix_transcript_" + mfnid;
if (!$('#' + ftid).length){
var html = lb + "span id='" + ftid + "' style='float:right'" + rb + lb + "a href='#'" + rb;
html += "contribute transcript fix" + mke("/a") + mke("/span");
console.log("html = ", html);
vblock.after(html)
}
$('#' + ftid).click(function(){
var cst = $('ol.subtitles').find('li.current');
var cindex = Number(cst.data('index'));
var gurl;
if (mfnpre.endsWith('_cq_sol')){
gurl = "https://github.com/mitocw/content-mit-8370x-cq-sol-subtitles/blob/master/";
}else{
gurl = "https://github.com/mitocw/content-mit-8370x-subtitles/blob/master/";
}
gurl += mfnpre + ".txt#L" + String(cindex + 10 + 1);
console.log("going to ", gurl);
window.open(gurl, "MITx 8.370x subtitle source");
});
});
}
try{
add_fix_transcript();
}
catch(err){
console.log(err);
}
try{
var rb = String.fromCharCode(62);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 3000);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 8000);
}
catch(err){
console.log(err);
}
</script></span>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@vertical+block@Overview_of_known_quantum_algorithms" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="vertical" data-runtime-version="1" data-has-score="False" data-graded="True">
<h2 class="hd hd-2 unit-title">Overview of known quantum algorithms</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15d">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15d" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="video" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Overview of known quantum algorithms</h3>
<div
id="video_M3L15d"
class="video closed"
data-metadata='{"poster": null, "transcriptTranslationUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15d/handler/transcript/translation/__lang__", "streams": "1.00:7ZWOcbaRrLo", "showCaptions": "true", "start": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu", "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15d/handler/transcript/available_translations", "autoAdvance": false, "ytTestTimeout": 1500, "transcriptLanguages": {"en": "English"}, "transcriptLanguage": "en", "saveStateUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15d/handler/xmodule_handler/save_user_state", "ytMetadataEndpoint": "", "recordedYoutubeIsAvailable": true, "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "autoplay": false, "publishCompletionUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15d/handler/publish_completion", "duration": 0.0, "completionPercentage": 0.95, "captionDataDir": null, "speed": null, "completionEnabled": false, "generalSpeed": 1.0, "prioritizeHls": false, "saveStateEnabled": false, "savedVideoPosition": 0.0, "end": 0.0, "sources": []}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="M3L15d"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box4">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box4" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="html" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<span><a href="/asset-v1:MITx+8.371.3x+2T2018+type@asset+block/NONE" id="dummy_course_static_link" style="display:none"/><a href="/courses/course-v1:MITx+8.371.3x+2T2018/jump_to_id/NONE" id="dummy_jump_link" style="display:none"/><script type="text/javascript">
var add_site_search = function(){
course_static_url = $('#dummy_course_static_link').attr('href').replace('/NONE', '');
jump_to_url = $('#dummy_jump_link').attr('href').replace('/NONE', '');
if (typeof String.prototype.startsWith != 'function') {
// see below for better implementation!
String.prototype.startsWith = function (str){
return this.indexOf(str) === 0;
};
}
if(typeof(String.prototype.trim) === "undefined")
{
String.prototype.trim = function()
{
return String(this).replace(/^\s+|\s+$/g, '');
};
}
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var amp = String.fromCharCode(38);
var rlb = rb + lb;
var mke = function(x){ return lb + x + rb; }
var search_module_url = "";
var get_search_module_ficus = function(){
var cid = $('div.xblock').data('course-id');
if (cid){
console.log("cid = ", cid);
// search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/" + cid + "/courseware/welcome/Search_this_course/";
search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/courseware/welcome/Search_this_course/"; // automatically rewritten
console.log("3. search_module_url = ", search_module_url);
return;
}
var course_root_link = $('span.nav-item-course').find('a').attr('href');
if (course_root_link){
console.log("course_root_link = ", course_root_link);
search_module_url = course_root_link.replace("course/", "courseware/welcome/Search_this_course/");
console.log("2. search_module_url = ", search_module_url);
return
}
console.log("cannot determine search module url");
}
var get_search_module = function(){
// find search this module link
if (!($('div.course-index').length)){
return get_search_module_ficus();
}
$('div.course-index').find('nav').find('a').each(function(){
if ($(this).text().trim().startsWith("Search this course")){
search_module_url = $(this).attr('href');
console.log("search_module_url = ", search_module_url);
}
});
}
var go_to_search = function(){
get_search_module();
var sterm = $('#site-search-box').val();
// new_url = jump_to_url + "/Search_this_module/?q=" + sterm;
new_url = search_module_url + "?q=" + sterm;
console.log("sterm = ", sterm, " ; going to ", new_url);
window.location.href = new_url;
}
if (!$('#site-search-box').length){
$("nav.courseware").find("ol").append(lb + "section style='float:right'" + rlb + "input size='20'"
+ " id='site-search-box'"
+ rlb + "img src='" + course_static_url
+ "/images_search_glass.png'/" + rlb + "/input" + rlb + "/section" + rb);
}
$("#site-search-box").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
go_to_search();
}
});
// $('#site-search-box').bind("enterKey", go_to_search);
var get = function(x){
return eval(x);
}
return {'course_static_url': course_static_url,
'jump_to_url': jump_to_url,
'go_to_search': go_to_search,
'get_search_module': get_search_module,
'get_search_module_ficus': get_search_module_ficus,
'get': get,
}
}
var the_site_search = add_site_search();
var add_fix_transcript = function(){
if ($('div.wrap-instructor-info').length==0){
return;
}
$('div.xblock-student_view-video').each(function(key, vblock_e){
var vblock = $(vblock_e);
var vuid = vblock.data('usage-id').split('@');
var vid;
if (vuid.length==1){
vuid = vblock.data('usage-id').split(';_')
vid = vuid[5];
}else{
vid = vuid[2];
}
var mfnpre = vid.split("_video",1)[0];
var mfnid = mfnpre; // no periods
mfnpre = mfnpre.replace('8_370', '8.370'); // periods in gh filename
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var mke = function(x){ return lb + x + rb; }
var ftid = "fix_transcript_" + mfnid;
if (!$('#' + ftid).length){
var html = lb + "span id='" + ftid + "' style='float:right'" + rb + lb + "a href='#'" + rb;
html += "contribute transcript fix" + mke("/a") + mke("/span");
console.log("html = ", html);
vblock.after(html)
}
$('#' + ftid).click(function(){
var cst = $('ol.subtitles').find('li.current');
var cindex = Number(cst.data('index'));
var gurl;
if (mfnpre.endsWith('_cq_sol')){
gurl = "https://github.com/mitocw/content-mit-8370x-cq-sol-subtitles/blob/master/";
}else{
gurl = "https://github.com/mitocw/content-mit-8370x-subtitles/blob/master/";
}
gurl += mfnpre + ".txt#L" + String(cindex + 10 + 1);
console.log("going to ", gurl);
window.open(gurl, "MITx 8.370x subtitle source");
});
});
}
try{
add_fix_transcript();
}
catch(err){
console.log(err);
}
try{
var rb = String.fromCharCode(62);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 3000);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 8000);
}
catch(err){
console.log(err);
}
</script></span>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@vertical+block@The_Abelian_quantum_Fourier_transform" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="vertical" data-runtime-version="1" data-has-score="False" data-graded="True">
<h2 class="hd hd-2 unit-title">The Abelian quantum Fourier transform</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15e">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15e" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="video" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">The Abelian quantum Fourier transform</h3>
<div
id="video_M3L15e"
class="video closed"
data-metadata='{"poster": null, "transcriptTranslationUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15e/handler/transcript/translation/__lang__", "streams": "1.00:7Ybz290uc3Y", "showCaptions": "true", "start": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu", "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15e/handler/transcript/available_translations", "autoAdvance": false, "ytTestTimeout": 1500, "transcriptLanguages": {"en": "English"}, "transcriptLanguage": "en", "saveStateUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15e/handler/xmodule_handler/save_user_state", "ytMetadataEndpoint": "", "recordedYoutubeIsAvailable": true, "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "autoplay": false, "publishCompletionUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15e/handler/publish_completion", "duration": 0.0, "completionPercentage": 0.95, "captionDataDir": null, "speed": null, "completionEnabled": false, "generalSpeed": 1.0, "prioritizeHls": false, "saveStateEnabled": false, "savedVideoPosition": 0.0, "end": 0.0, "sources": []}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="M3L15e"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box5">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box5" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="html" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<span><a href="/asset-v1:MITx+8.371.3x+2T2018+type@asset+block/NONE" id="dummy_course_static_link" style="display:none"/><a href="/courses/course-v1:MITx+8.371.3x+2T2018/jump_to_id/NONE" id="dummy_jump_link" style="display:none"/><script type="text/javascript">
var add_site_search = function(){
course_static_url = $('#dummy_course_static_link').attr('href').replace('/NONE', '');
jump_to_url = $('#dummy_jump_link').attr('href').replace('/NONE', '');
if (typeof String.prototype.startsWith != 'function') {
// see below for better implementation!
String.prototype.startsWith = function (str){
return this.indexOf(str) === 0;
};
}
if(typeof(String.prototype.trim) === "undefined")
{
String.prototype.trim = function()
{
return String(this).replace(/^\s+|\s+$/g, '');
};
}
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var amp = String.fromCharCode(38);
var rlb = rb + lb;
var mke = function(x){ return lb + x + rb; }
var search_module_url = "";
var get_search_module_ficus = function(){
var cid = $('div.xblock').data('course-id');
if (cid){
console.log("cid = ", cid);
// search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/" + cid + "/courseware/welcome/Search_this_course/";
search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/courseware/welcome/Search_this_course/"; // automatically rewritten
console.log("3. search_module_url = ", search_module_url);
return;
}
var course_root_link = $('span.nav-item-course').find('a').attr('href');
if (course_root_link){
console.log("course_root_link = ", course_root_link);
search_module_url = course_root_link.replace("course/", "courseware/welcome/Search_this_course/");
console.log("2. search_module_url = ", search_module_url);
return
}
console.log("cannot determine search module url");
}
var get_search_module = function(){
// find search this module link
if (!($('div.course-index').length)){
return get_search_module_ficus();
}
$('div.course-index').find('nav').find('a').each(function(){
if ($(this).text().trim().startsWith("Search this course")){
search_module_url = $(this).attr('href');
console.log("search_module_url = ", search_module_url);
}
});
}
var go_to_search = function(){
get_search_module();
var sterm = $('#site-search-box').val();
// new_url = jump_to_url + "/Search_this_module/?q=" + sterm;
new_url = search_module_url + "?q=" + sterm;
console.log("sterm = ", sterm, " ; going to ", new_url);
window.location.href = new_url;
}
if (!$('#site-search-box').length){
$("nav.courseware").find("ol").append(lb + "section style='float:right'" + rlb + "input size='20'"
+ " id='site-search-box'"
+ rlb + "img src='" + course_static_url
+ "/images_search_glass.png'/" + rlb + "/input" + rlb + "/section" + rb);
}
$("#site-search-box").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
go_to_search();
}
});
// $('#site-search-box').bind("enterKey", go_to_search);
var get = function(x){
return eval(x);
}
return {'course_static_url': course_static_url,
'jump_to_url': jump_to_url,
'go_to_search': go_to_search,
'get_search_module': get_search_module,
'get_search_module_ficus': get_search_module_ficus,
'get': get,
}
}
var the_site_search = add_site_search();
var add_fix_transcript = function(){
if ($('div.wrap-instructor-info').length==0){
return;
}
$('div.xblock-student_view-video').each(function(key, vblock_e){
var vblock = $(vblock_e);
var vuid = vblock.data('usage-id').split('@');
var vid;
if (vuid.length==1){
vuid = vblock.data('usage-id').split(';_')
vid = vuid[5];
}else{
vid = vuid[2];
}
var mfnpre = vid.split("_video",1)[0];
var mfnid = mfnpre; // no periods
mfnpre = mfnpre.replace('8_370', '8.370'); // periods in gh filename
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var mke = function(x){ return lb + x + rb; }
var ftid = "fix_transcript_" + mfnid;
if (!$('#' + ftid).length){
var html = lb + "span id='" + ftid + "' style='float:right'" + rb + lb + "a href='#'" + rb;
html += "contribute transcript fix" + mke("/a") + mke("/span");
console.log("html = ", html);
vblock.after(html)
}
$('#' + ftid).click(function(){
var cst = $('ol.subtitles').find('li.current');
var cindex = Number(cst.data('index'));
var gurl;
if (mfnpre.endsWith('_cq_sol')){
gurl = "https://github.com/mitocw/content-mit-8370x-cq-sol-subtitles/blob/master/";
}else{
gurl = "https://github.com/mitocw/content-mit-8370x-subtitles/blob/master/";
}
gurl += mfnpre + ".txt#L" + String(cindex + 10 + 1);
console.log("going to ", gurl);
window.open(gurl, "MITx 8.370x subtitle source");
});
});
}
try{
add_fix_transcript();
}
catch(err){
console.log(err);
}
try{
var rb = String.fromCharCode(62);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 3000);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 8000);
}
catch(err){
console.log(err);
}
</script></span>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@vertical+block@CQ_Abelian_quantum_Fourier_transform" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="vertical" data-runtime-version="1" data-has-score="False" data-graded="True">
<h2 class="hd hd-2 unit-title">CQ: Abelian quantum Fourier transform</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Abelian_quantum_Fourier_transform">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Abelian_quantum_Fourier_transform" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="problem" data-runtime-version="1" data-has-score="True" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_cq_M2L15_Abelian_quantum_Fourier_transform" class="problems-wrapper" role="group"
aria-labelledby="cq_M2L15_Abelian_quantum_Fourier_transform-problem-title"
data-problem-id="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Abelian_quantum_Fourier_transform" data-url="/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Abelian_quantum_Fourier_transform/handler/xmodule_handler"
data-problem-score="0"
data-problem-total-possible="1"
data-attempts-used="0"
data-content="
<h3 class="hd hd-3 problem-header" id="cq_M2L15_Abelian_quantum_Fourier_transform-problem-title" aria-describedby="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Abelian_quantum_Fourier_transform-problem-progress" tabindex="-1">
Abelian quantum Fourier transform
</h3>
<div class="problem-progress" id="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Abelian_quantum_Fourier_transform-problem-progress"></div>
<div class="problem">
<div>
<p>
This is a concept question, provided to check your understanding of the previous lecture video clips. </p>
<p>
Which of the following are true? </p>
<p>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_cq_M2L15_Abelian_quantum_Fourier_transform_2_1">
<fieldset aria-describedby="status_cq_M2L15_Abelian_quantum_Fourier_transform_2_1">
<div class="field">
<input type="checkbox" name="input_cq_M2L15_Abelian_quantum_Fourier_transform_2_1[]" id="input_cq_M2L15_Abelian_quantum_Fourier_transform_2_1_choice_0" class="field-input input-checkbox" value="choice_0"/><label id="cq_M2L15_Abelian_quantum_Fourier_transform_2_1-choice_0-label" for="input_cq_M2L15_Abelian_quantum_Fourier_transform_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_cq_M2L15_Abelian_quantum_Fourier_transform_2_1">
<text>A character is a map from a group to complex numbers.</text>
</label>
</div>
<div class="field">
<input type="checkbox" name="input_cq_M2L15_Abelian_quantum_Fourier_transform_2_1[]" id="input_cq_M2L15_Abelian_quantum_Fourier_transform_2_1_choice_1" class="field-input input-checkbox" value="choice_1"/><label id="cq_M2L15_Abelian_quantum_Fourier_transform_2_1-choice_1-label" for="input_cq_M2L15_Abelian_quantum_Fourier_transform_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_cq_M2L15_Abelian_quantum_Fourier_transform_2_1">
<text>The images of characters of abelian groups are roots of unity.</text>
</label>
</div>
<div class="field">
<input type="checkbox" name="input_cq_M2L15_Abelian_quantum_Fourier_transform_2_1[]" id="input_cq_M2L15_Abelian_quantum_Fourier_transform_2_1_choice_2" class="field-input input-checkbox" value="choice_2"/><label id="cq_M2L15_Abelian_quantum_Fourier_transform_2_1-choice_2-label" for="input_cq_M2L15_Abelian_quantum_Fourier_transform_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_cq_M2L15_Abelian_quantum_Fourier_transform_2_1">
<text>[mathjaxinline]\mathbb {Z}_ N[/mathjaxinline] is abelian.</text>
</label>
</div>
<div class="field">
<input type="checkbox" name="input_cq_M2L15_Abelian_quantum_Fourier_transform_2_1[]" id="input_cq_M2L15_Abelian_quantum_Fourier_transform_2_1_choice_3" class="field-input input-checkbox" value="choice_3"/><label id="cq_M2L15_Abelian_quantum_Fourier_transform_2_1-choice_3-label" for="input_cq_M2L15_Abelian_quantum_Fourier_transform_2_1_choice_3" class="response-label field-label label-inline" aria-describedby="status_cq_M2L15_Abelian_quantum_Fourier_transform_2_1">
<text>The characters of [mathjaxinline]\mathbb {Z}_ N[/mathjaxinline] are the same as the characters of [mathjaxinline]\mathbb {Z}_ N^\times[/mathjaxinline].</text>
</label>
</div>
<span id="answer_cq_M2L15_Abelian_quantum_Fourier_transform_2_1"/>
</fieldset>
<div class="indicator-container">
<span class="status unanswered" id="status_cq_M2L15_Abelian_quantum_Fourier_transform_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
</div>
</div></div>
</p>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Abelian quantum Fourier transform" />
<div class="submit-attempt-container">
<button type="button" class="submit btn-brand" data-submitting="Submitting" data-value="Submit" data-should-enable-submit-button="True" aria-describedby="submission_feedback_cq_M2L15_Abelian_quantum_Fourier_transform" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_cq_M2L15_Abelian_quantum_Fourier_transform">
<span class="sr">Some problems have options such as save, reset, hints, or show answer. These options follow the Submit button.</span>
</div>
</div>
<div class="problem-action-buttons-wrapper">
<span class="problem-action-button-wrapper">
<button type="button" class="save problem-action-btn btn-default btn-small" data-value="Save">
<span class="icon fa fa-floppy-o" aria-hidden="true"></span>
<span aria-hidden="true">Save</span>
<span class="sr">Save your answer</span>
</button>
</span>
</div>
</div>
<div class="notification warning notification-gentle-alert
is-hidden"
tabindex="-1">
<span class="icon fa fa-exclamation-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="cq_M2L15_Abelian_quantum_Fourier_transform-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification warning notification-save
is-hidden"
tabindex="-1">
<span class="icon fa fa-save" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="cq_M2L15_Abelian_quantum_Fourier_transform-problem-title">None
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification general notification-show-answer
is-hidden"
tabindex="-1">
<span class="icon fa fa-info-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="cq_M2L15_Abelian_quantum_Fourier_transform-problem-title">Answers are displayed within the problem
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
"
data-graded="True">
<p class="loading-spinner">
<i class="fa fa-spinner fa-pulse fa-2x fa-fw"></i>
<span class="sr">Loading…</span>
</p>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@html_site_search_box2">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@html_site_search_box2" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="html" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<span><a href="/asset-v1:MITx+8.371.3x+2T2018+type@asset+block/NONE" id="dummy_course_static_link" style="display:none"/><a href="/courses/course-v1:MITx+8.371.3x+2T2018/jump_to_id/NONE" id="dummy_jump_link" style="display:none"/><script type="text/javascript">
var add_site_search = function(){
course_static_url = $('#dummy_course_static_link').attr('href').replace('/NONE', '');
jump_to_url = $('#dummy_jump_link').attr('href').replace('/NONE', '');
if (typeof String.prototype.startsWith != 'function') {
// see below for better implementation!
String.prototype.startsWith = function (str){
return this.indexOf(str) === 0;
};
}
if(typeof(String.prototype.trim) === "undefined")
{
String.prototype.trim = function()
{
return String(this).replace(/^\s+|\s+$/g, '');
};
}
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var amp = String.fromCharCode(38);
var rlb = rb + lb;
var mke = function(x){ return lb + x + rb; }
var search_module_url = "";
var get_search_module_ficus = function(){
var cid = $('div.xblock').data('course-id');
if (cid){
console.log("cid = ", cid);
// search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/" + cid + "/courseware/welcome/Search_this_course/";
search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/courseware/welcome/Search_this_course/"; // automatically rewritten
console.log("3. search_module_url = ", search_module_url);
return;
}
var course_root_link = $('span.nav-item-course').find('a').attr('href');
if (course_root_link){
console.log("course_root_link = ", course_root_link);
search_module_url = course_root_link.replace("course/", "courseware/welcome/Search_this_course/");
console.log("2. search_module_url = ", search_module_url);
return
}
console.log("cannot determine search module url");
}
var get_search_module = function(){
// find search this module link
if (!($('div.course-index').length)){
return get_search_module_ficus();
}
$('div.course-index').find('nav').find('a').each(function(){
if ($(this).text().trim().startsWith("Search this course")){
search_module_url = $(this).attr('href');
console.log("search_module_url = ", search_module_url);
}
});
}
var go_to_search = function(){
get_search_module();
var sterm = $('#site-search-box').val();
// new_url = jump_to_url + "/Search_this_module/?q=" + sterm;
new_url = search_module_url + "?q=" + sterm;
console.log("sterm = ", sterm, " ; going to ", new_url);
window.location.href = new_url;
}
if (!$('#site-search-box').length){
$("nav.courseware").find("ol").append(lb + "section style='float:right'" + rlb + "input size='20'"
+ " id='site-search-box'"
+ rlb + "img src='" + course_static_url
+ "/images_search_glass.png'/" + rlb + "/input" + rlb + "/section" + rb);
}
$("#site-search-box").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
go_to_search();
}
});
// $('#site-search-box').bind("enterKey", go_to_search);
var get = function(x){
return eval(x);
}
return {'course_static_url': course_static_url,
'jump_to_url': jump_to_url,
'go_to_search': go_to_search,
'get_search_module': get_search_module,
'get_search_module_ficus': get_search_module_ficus,
'get': get,
}
}
var the_site_search = add_site_search();
var add_fix_transcript = function(){
if ($('div.wrap-instructor-info').length==0){
return;
}
$('div.xblock-student_view-video').each(function(key, vblock_e){
var vblock = $(vblock_e);
var vuid = vblock.data('usage-id').split('@');
var vid;
if (vuid.length==1){
vuid = vblock.data('usage-id').split(';_')
vid = vuid[5];
}else{
vid = vuid[2];
}
var mfnpre = vid.split("_video",1)[0];
var mfnid = mfnpre; // no periods
mfnpre = mfnpre.replace('8_370', '8.370'); // periods in gh filename
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var mke = function(x){ return lb + x + rb; }
var ftid = "fix_transcript_" + mfnid;
if (!$('#' + ftid).length){
var html = lb + "span id='" + ftid + "' style='float:right'" + rb + lb + "a href='#'" + rb;
html += "contribute transcript fix" + mke("/a") + mke("/span");
console.log("html = ", html);
vblock.after(html)
}
$('#' + ftid).click(function(){
var cst = $('ol.subtitles').find('li.current');
var cindex = Number(cst.data('index'));
var gurl;
if (mfnpre.endsWith('_cq_sol')){
gurl = "https://github.com/mitocw/content-mit-8370x-cq-sol-subtitles/blob/master/";
}else{
gurl = "https://github.com/mitocw/content-mit-8370x-subtitles/blob/master/";
}
gurl += mfnpre + ".txt#L" + String(cindex + 10 + 1);
console.log("going to ", gurl);
window.open(gurl, "MITx 8.370x subtitle source");
});
});
}
try{
add_fix_transcript();
}
catch(err){
console.log(err);
}
try{
var rb = String.fromCharCode(62);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 3000);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 8000);
}
catch(err){
console.log(err);
}
</script></span>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@vertical+block@Abelian_groups_isomorphism_to_products_of_cyclic_groups" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="vertical" data-runtime-version="1" data-has-score="False" data-graded="True">
<h2 class="hd hd-2 unit-title">Abelian groups: isomorphism to products of cyclic groups</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15f">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15f" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="video" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Abelian groups: isomorphism to products of cyclic groups</h3>
<div
id="video_M3L15f"
class="video closed"
data-metadata='{"poster": null, "transcriptTranslationUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15f/handler/transcript/translation/__lang__", "streams": "1.00:19B5CAglSxQ", "showCaptions": "true", "start": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu", "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15f/handler/transcript/available_translations", "autoAdvance": false, "ytTestTimeout": 1500, "transcriptLanguages": {"en": "English"}, "transcriptLanguage": "en", "saveStateUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15f/handler/xmodule_handler/save_user_state", "ytMetadataEndpoint": "", "recordedYoutubeIsAvailable": true, "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "autoplay": false, "publishCompletionUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15f/handler/publish_completion", "duration": 0.0, "completionPercentage": 0.95, "captionDataDir": null, "speed": null, "completionEnabled": false, "generalSpeed": 1.0, "prioritizeHls": false, "saveStateEnabled": false, "savedVideoPosition": 0.0, "end": 0.0, "sources": []}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="M3L15f"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box6">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box6" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="html" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<span><a href="/asset-v1:MITx+8.371.3x+2T2018+type@asset+block/NONE" id="dummy_course_static_link" style="display:none"/><a href="/courses/course-v1:MITx+8.371.3x+2T2018/jump_to_id/NONE" id="dummy_jump_link" style="display:none"/><script type="text/javascript">
var add_site_search = function(){
course_static_url = $('#dummy_course_static_link').attr('href').replace('/NONE', '');
jump_to_url = $('#dummy_jump_link').attr('href').replace('/NONE', '');
if (typeof String.prototype.startsWith != 'function') {
// see below for better implementation!
String.prototype.startsWith = function (str){
return this.indexOf(str) === 0;
};
}
if(typeof(String.prototype.trim) === "undefined")
{
String.prototype.trim = function()
{
return String(this).replace(/^\s+|\s+$/g, '');
};
}
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var amp = String.fromCharCode(38);
var rlb = rb + lb;
var mke = function(x){ return lb + x + rb; }
var search_module_url = "";
var get_search_module_ficus = function(){
var cid = $('div.xblock').data('course-id');
if (cid){
console.log("cid = ", cid);
// search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/" + cid + "/courseware/welcome/Search_this_course/";
search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/courseware/welcome/Search_this_course/"; // automatically rewritten
console.log("3. search_module_url = ", search_module_url);
return;
}
var course_root_link = $('span.nav-item-course').find('a').attr('href');
if (course_root_link){
console.log("course_root_link = ", course_root_link);
search_module_url = course_root_link.replace("course/", "courseware/welcome/Search_this_course/");
console.log("2. search_module_url = ", search_module_url);
return
}
console.log("cannot determine search module url");
}
var get_search_module = function(){
// find search this module link
if (!($('div.course-index').length)){
return get_search_module_ficus();
}
$('div.course-index').find('nav').find('a').each(function(){
if ($(this).text().trim().startsWith("Search this course")){
search_module_url = $(this).attr('href');
console.log("search_module_url = ", search_module_url);
}
});
}
var go_to_search = function(){
get_search_module();
var sterm = $('#site-search-box').val();
// new_url = jump_to_url + "/Search_this_module/?q=" + sterm;
new_url = search_module_url + "?q=" + sterm;
console.log("sterm = ", sterm, " ; going to ", new_url);
window.location.href = new_url;
}
if (!$('#site-search-box').length){
$("nav.courseware").find("ol").append(lb + "section style='float:right'" + rlb + "input size='20'"
+ " id='site-search-box'"
+ rlb + "img src='" + course_static_url
+ "/images_search_glass.png'/" + rlb + "/input" + rlb + "/section" + rb);
}
$("#site-search-box").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
go_to_search();
}
});
// $('#site-search-box').bind("enterKey", go_to_search);
var get = function(x){
return eval(x);
}
return {'course_static_url': course_static_url,
'jump_to_url': jump_to_url,
'go_to_search': go_to_search,
'get_search_module': get_search_module,
'get_search_module_ficus': get_search_module_ficus,
'get': get,
}
}
var the_site_search = add_site_search();
var add_fix_transcript = function(){
if ($('div.wrap-instructor-info').length==0){
return;
}
$('div.xblock-student_view-video').each(function(key, vblock_e){
var vblock = $(vblock_e);
var vuid = vblock.data('usage-id').split('@');
var vid;
if (vuid.length==1){
vuid = vblock.data('usage-id').split(';_')
vid = vuid[5];
}else{
vid = vuid[2];
}
var mfnpre = vid.split("_video",1)[0];
var mfnid = mfnpre; // no periods
mfnpre = mfnpre.replace('8_370', '8.370'); // periods in gh filename
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var mke = function(x){ return lb + x + rb; }
var ftid = "fix_transcript_" + mfnid;
if (!$('#' + ftid).length){
var html = lb + "span id='" + ftid + "' style='float:right'" + rb + lb + "a href='#'" + rb;
html += "contribute transcript fix" + mke("/a") + mke("/span");
console.log("html = ", html);
vblock.after(html)
}
$('#' + ftid).click(function(){
var cst = $('ol.subtitles').find('li.current');
var cindex = Number(cst.data('index'));
var gurl;
if (mfnpre.endsWith('_cq_sol')){
gurl = "https://github.com/mitocw/content-mit-8370x-cq-sol-subtitles/blob/master/";
}else{
gurl = "https://github.com/mitocw/content-mit-8370x-subtitles/blob/master/";
}
gurl += mfnpre + ".txt#L" + String(cindex + 10 + 1);
console.log("going to ", gurl);
window.open(gurl, "MITx 8.370x subtitle source");
});
});
}
try{
add_fix_transcript();
}
catch(err){
console.log(err);
}
try{
var rb = String.fromCharCode(62);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 3000);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 8000);
}
catch(err){
console.log(err);
}
</script></span>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@vertical+block@Abelian_groups_decomposition_into_group_of_characters" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="vertical" data-runtime-version="1" data-has-score="False" data-graded="True">
<h2 class="hd hd-2 unit-title">Abelian groups: decomposition into group of characters</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15g">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15g" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="video" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Abelian groups: decomposition into group of characters</h3>
<div
id="video_M3L15g"
class="video closed"
data-metadata='{"poster": null, "transcriptTranslationUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15g/handler/transcript/translation/__lang__", "streams": "1.00:Lw0kTPSBdcc", "showCaptions": "true", "start": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu", "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15g/handler/transcript/available_translations", "autoAdvance": false, "ytTestTimeout": 1500, "transcriptLanguages": {"en": "English"}, "transcriptLanguage": "en", "saveStateUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15g/handler/xmodule_handler/save_user_state", "ytMetadataEndpoint": "", "recordedYoutubeIsAvailable": true, "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "autoplay": false, "publishCompletionUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15g/handler/publish_completion", "duration": 0.0, "completionPercentage": 0.95, "captionDataDir": null, "speed": null, "completionEnabled": false, "generalSpeed": 1.0, "prioritizeHls": false, "saveStateEnabled": false, "savedVideoPosition": 0.0, "end": 0.0, "sources": []}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="M3L15g"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box7">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box7" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="html" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<span><a href="/asset-v1:MITx+8.371.3x+2T2018+type@asset+block/NONE" id="dummy_course_static_link" style="display:none"/><a href="/courses/course-v1:MITx+8.371.3x+2T2018/jump_to_id/NONE" id="dummy_jump_link" style="display:none"/><script type="text/javascript">
var add_site_search = function(){
course_static_url = $('#dummy_course_static_link').attr('href').replace('/NONE', '');
jump_to_url = $('#dummy_jump_link').attr('href').replace('/NONE', '');
if (typeof String.prototype.startsWith != 'function') {
// see below for better implementation!
String.prototype.startsWith = function (str){
return this.indexOf(str) === 0;
};
}
if(typeof(String.prototype.trim) === "undefined")
{
String.prototype.trim = function()
{
return String(this).replace(/^\s+|\s+$/g, '');
};
}
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var amp = String.fromCharCode(38);
var rlb = rb + lb;
var mke = function(x){ return lb + x + rb; }
var search_module_url = "";
var get_search_module_ficus = function(){
var cid = $('div.xblock').data('course-id');
if (cid){
console.log("cid = ", cid);
// search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/" + cid + "/courseware/welcome/Search_this_course/";
search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/courseware/welcome/Search_this_course/"; // automatically rewritten
console.log("3. search_module_url = ", search_module_url);
return;
}
var course_root_link = $('span.nav-item-course').find('a').attr('href');
if (course_root_link){
console.log("course_root_link = ", course_root_link);
search_module_url = course_root_link.replace("course/", "courseware/welcome/Search_this_course/");
console.log("2. search_module_url = ", search_module_url);
return
}
console.log("cannot determine search module url");
}
var get_search_module = function(){
// find search this module link
if (!($('div.course-index').length)){
return get_search_module_ficus();
}
$('div.course-index').find('nav').find('a').each(function(){
if ($(this).text().trim().startsWith("Search this course")){
search_module_url = $(this).attr('href');
console.log("search_module_url = ", search_module_url);
}
});
}
var go_to_search = function(){
get_search_module();
var sterm = $('#site-search-box').val();
// new_url = jump_to_url + "/Search_this_module/?q=" + sterm;
new_url = search_module_url + "?q=" + sterm;
console.log("sterm = ", sterm, " ; going to ", new_url);
window.location.href = new_url;
}
if (!$('#site-search-box').length){
$("nav.courseware").find("ol").append(lb + "section style='float:right'" + rlb + "input size='20'"
+ " id='site-search-box'"
+ rlb + "img src='" + course_static_url
+ "/images_search_glass.png'/" + rlb + "/input" + rlb + "/section" + rb);
}
$("#site-search-box").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
go_to_search();
}
});
// $('#site-search-box').bind("enterKey", go_to_search);
var get = function(x){
return eval(x);
}
return {'course_static_url': course_static_url,
'jump_to_url': jump_to_url,
'go_to_search': go_to_search,
'get_search_module': get_search_module,
'get_search_module_ficus': get_search_module_ficus,
'get': get,
}
}
var the_site_search = add_site_search();
var add_fix_transcript = function(){
if ($('div.wrap-instructor-info').length==0){
return;
}
$('div.xblock-student_view-video').each(function(key, vblock_e){
var vblock = $(vblock_e);
var vuid = vblock.data('usage-id').split('@');
var vid;
if (vuid.length==1){
vuid = vblock.data('usage-id').split(';_')
vid = vuid[5];
}else{
vid = vuid[2];
}
var mfnpre = vid.split("_video",1)[0];
var mfnid = mfnpre; // no periods
mfnpre = mfnpre.replace('8_370', '8.370'); // periods in gh filename
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var mke = function(x){ return lb + x + rb; }
var ftid = "fix_transcript_" + mfnid;
if (!$('#' + ftid).length){
var html = lb + "span id='" + ftid + "' style='float:right'" + rb + lb + "a href='#'" + rb;
html += "contribute transcript fix" + mke("/a") + mke("/span");
console.log("html = ", html);
vblock.after(html)
}
$('#' + ftid).click(function(){
var cst = $('ol.subtitles').find('li.current');
var cindex = Number(cst.data('index'));
var gurl;
if (mfnpre.endsWith('_cq_sol')){
gurl = "https://github.com/mitocw/content-mit-8370x-cq-sol-subtitles/blob/master/";
}else{
gurl = "https://github.com/mitocw/content-mit-8370x-subtitles/blob/master/";
}
gurl += mfnpre + ".txt#L" + String(cindex + 10 + 1);
console.log("going to ", gurl);
window.open(gurl, "MITx 8.370x subtitle source");
});
});
}
try{
add_fix_transcript();
}
catch(err){
console.log(err);
}
try{
var rb = String.fromCharCode(62);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 3000);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 8000);
}
catch(err){
console.log(err);
}
</script></span>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@vertical+block@The_QFT_over_an_Abelian_group_-_definition" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="vertical" data-runtime-version="1" data-has-score="False" data-graded="True">
<h2 class="hd hd-2 unit-title">The QFT over an Abelian group - definition</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15h">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15h" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="video" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">The QFT over an Abelian group - definition</h3>
<div
id="video_M3L15h"
class="video closed"
data-metadata='{"poster": null, "transcriptTranslationUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15h/handler/transcript/translation/__lang__", "streams": "1.00:vMvNp9XxoMk", "showCaptions": "true", "start": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu", "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15h/handler/transcript/available_translations", "autoAdvance": false, "ytTestTimeout": 1500, "transcriptLanguages": {"en": "English"}, "transcriptLanguage": "en", "saveStateUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15h/handler/xmodule_handler/save_user_state", "ytMetadataEndpoint": "", "recordedYoutubeIsAvailable": true, "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "autoplay": false, "publishCompletionUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15h/handler/publish_completion", "duration": 0.0, "completionPercentage": 0.95, "captionDataDir": null, "speed": null, "completionEnabled": false, "generalSpeed": 1.0, "prioritizeHls": false, "saveStateEnabled": false, "savedVideoPosition": 0.0, "end": 0.0, "sources": []}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="M3L15h"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box8">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box8" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="html" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<span><a href="/asset-v1:MITx+8.371.3x+2T2018+type@asset+block/NONE" id="dummy_course_static_link" style="display:none"/><a href="/courses/course-v1:MITx+8.371.3x+2T2018/jump_to_id/NONE" id="dummy_jump_link" style="display:none"/><script type="text/javascript">
var add_site_search = function(){
course_static_url = $('#dummy_course_static_link').attr('href').replace('/NONE', '');
jump_to_url = $('#dummy_jump_link').attr('href').replace('/NONE', '');
if (typeof String.prototype.startsWith != 'function') {
// see below for better implementation!
String.prototype.startsWith = function (str){
return this.indexOf(str) === 0;
};
}
if(typeof(String.prototype.trim) === "undefined")
{
String.prototype.trim = function()
{
return String(this).replace(/^\s+|\s+$/g, '');
};
}
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var amp = String.fromCharCode(38);
var rlb = rb + lb;
var mke = function(x){ return lb + x + rb; }
var search_module_url = "";
var get_search_module_ficus = function(){
var cid = $('div.xblock').data('course-id');
if (cid){
console.log("cid = ", cid);
// search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/" + cid + "/courseware/welcome/Search_this_course/";
search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/courseware/welcome/Search_this_course/"; // automatically rewritten
console.log("3. search_module_url = ", search_module_url);
return;
}
var course_root_link = $('span.nav-item-course').find('a').attr('href');
if (course_root_link){
console.log("course_root_link = ", course_root_link);
search_module_url = course_root_link.replace("course/", "courseware/welcome/Search_this_course/");
console.log("2. search_module_url = ", search_module_url);
return
}
console.log("cannot determine search module url");
}
var get_search_module = function(){
// find search this module link
if (!($('div.course-index').length)){
return get_search_module_ficus();
}
$('div.course-index').find('nav').find('a').each(function(){
if ($(this).text().trim().startsWith("Search this course")){
search_module_url = $(this).attr('href');
console.log("search_module_url = ", search_module_url);
}
});
}
var go_to_search = function(){
get_search_module();
var sterm = $('#site-search-box').val();
// new_url = jump_to_url + "/Search_this_module/?q=" + sterm;
new_url = search_module_url + "?q=" + sterm;
console.log("sterm = ", sterm, " ; going to ", new_url);
window.location.href = new_url;
}
if (!$('#site-search-box').length){
$("nav.courseware").find("ol").append(lb + "section style='float:right'" + rlb + "input size='20'"
+ " id='site-search-box'"
+ rlb + "img src='" + course_static_url
+ "/images_search_glass.png'/" + rlb + "/input" + rlb + "/section" + rb);
}
$("#site-search-box").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
go_to_search();
}
});
// $('#site-search-box').bind("enterKey", go_to_search);
var get = function(x){
return eval(x);
}
return {'course_static_url': course_static_url,
'jump_to_url': jump_to_url,
'go_to_search': go_to_search,
'get_search_module': get_search_module,
'get_search_module_ficus': get_search_module_ficus,
'get': get,
}
}
var the_site_search = add_site_search();
var add_fix_transcript = function(){
if ($('div.wrap-instructor-info').length==0){
return;
}
$('div.xblock-student_view-video').each(function(key, vblock_e){
var vblock = $(vblock_e);
var vuid = vblock.data('usage-id').split('@');
var vid;
if (vuid.length==1){
vuid = vblock.data('usage-id').split(';_')
vid = vuid[5];
}else{
vid = vuid[2];
}
var mfnpre = vid.split("_video",1)[0];
var mfnid = mfnpre; // no periods
mfnpre = mfnpre.replace('8_370', '8.370'); // periods in gh filename
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var mke = function(x){ return lb + x + rb; }
var ftid = "fix_transcript_" + mfnid;
if (!$('#' + ftid).length){
var html = lb + "span id='" + ftid + "' style='float:right'" + rb + lb + "a href='#'" + rb;
html += "contribute transcript fix" + mke("/a") + mke("/span");
console.log("html = ", html);
vblock.after(html)
}
$('#' + ftid).click(function(){
var cst = $('ol.subtitles').find('li.current');
var cindex = Number(cst.data('index'));
var gurl;
if (mfnpre.endsWith('_cq_sol')){
gurl = "https://github.com/mitocw/content-mit-8370x-cq-sol-subtitles/blob/master/";
}else{
gurl = "https://github.com/mitocw/content-mit-8370x-subtitles/blob/master/";
}
gurl += mfnpre + ".txt#L" + String(cindex + 10 + 1);
console.log("going to ", gurl);
window.open(gurl, "MITx 8.370x subtitle source");
});
});
}
try{
add_fix_transcript();
}
catch(err){
console.log(err);
}
try{
var rb = String.fromCharCode(62);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 3000);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 8000);
}
catch(err){
console.log(err);
}
</script></span>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@vertical+block@CQ_Quantum_Fourier_transform_over_an_Abelian_group" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="vertical" data-runtime-version="1" data-has-score="False" data-graded="True">
<h2 class="hd hd-2 unit-title">CQ: Quantum Fourier transform over an Abelian group</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="problem" data-runtime-version="1" data-has-score="True" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group" class="problems-wrapper" role="group"
aria-labelledby="cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group-problem-title"
data-problem-id="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group" data-url="/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group/handler/xmodule_handler"
data-problem-score="0"
data-problem-total-possible="1"
data-attempts-used="0"
data-content="
<h3 class="hd hd-3 problem-header" id="cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group-problem-title" aria-describedby="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group-problem-progress" tabindex="-1">
Quantum Fourier transform over an Abelian group
</h3>
<div class="problem-progress" id="block-v1:MITx+8.371.3x+2T2018+type@problem+block@cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group-problem-progress"></div>
<div class="problem">
<div>
<p>
This is a concept question, provided to check your understanding of the previous lecture video clips. </p>
<p>
Which of the following are true? </p>
<p>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1">
<fieldset aria-describedby="status_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1">
<div class="field">
<input type="checkbox" name="input_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1[]" id="input_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1_choice_0" class="field-input input-checkbox" value="choice_0"/><label id="cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1-choice_0-label" for="input_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1">
<text>The quantum Fourier transform over [mathjaxinline]\mathbb {Z}_{2^ n}[/mathjaxinline] is the conventional Fourier transform.</text>
</label>
</div>
<div class="field">
<input type="checkbox" name="input_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1[]" id="input_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1_choice_1" class="field-input input-checkbox" value="choice_1"/><label id="cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1-choice_1-label" for="input_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1">
<text>The right group multiplication operator is defined according to [mathjaxinline]R_ g |{x}\rangle = |{g x}\rangle[/mathjaxinline].</text>
</label>
</div>
<div class="field">
<input type="checkbox" name="input_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1[]" id="input_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1_choice_2" class="field-input input-checkbox" value="choice_2"/><label id="cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1-choice_2-label" for="input_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1">
<text>The quantum Fourier transform over [mathjaxinline]\mathbb {Z}^ n_{2}[/mathjaxinline] is the conventional Fourier transform.</text>
</label>
</div>
<div class="field">
<input type="checkbox" name="input_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1[]" id="input_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1_choice_3" class="field-input input-checkbox" value="choice_3"/><label id="cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1-choice_3-label" for="input_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1_choice_3" class="response-label field-label label-inline" aria-describedby="status_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1">
<text>Phase estimation uses the conventional quantum Fourier transform.</text>
</label>
</div>
<span id="answer_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1"/>
</fieldset>
<div class="indicator-container">
<span class="status unanswered" id="status_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
</div>
</div></div>
</p>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Quantum Fourier transform over an Abelian group" />
<div class="submit-attempt-container">
<button type="button" class="submit btn-brand" data-submitting="Submitting" data-value="Submit" data-should-enable-submit-button="True" aria-describedby="submission_feedback_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group">
<span class="sr">Some problems have options such as save, reset, hints, or show answer. These options follow the Submit button.</span>
</div>
</div>
<div class="problem-action-buttons-wrapper">
<span class="problem-action-button-wrapper">
<button type="button" class="save problem-action-btn btn-default btn-small" data-value="Save">
<span class="icon fa fa-floppy-o" aria-hidden="true"></span>
<span aria-hidden="true">Save</span>
<span class="sr">Save your answer</span>
</button>
</span>
</div>
</div>
<div class="notification warning notification-gentle-alert
is-hidden"
tabindex="-1">
<span class="icon fa fa-exclamation-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification warning notification-save
is-hidden"
tabindex="-1">
<span class="icon fa fa-save" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group-problem-title">None
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification general notification-show-answer
is-hidden"
tabindex="-1">
<span class="icon fa fa-info-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="cq_M2L15_Quantum_Fourier_transform_over_an_Abelian_group-problem-title">Answers are displayed within the problem
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
"
data-graded="True">
<p class="loading-spinner">
<i class="fa fa-spinner fa-pulse fa-2x fa-fw"></i>
<span class="sr">Loading…</span>
</p>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@html_site_search_box3">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@html_site_search_box3" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="html" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<span><a href="/asset-v1:MITx+8.371.3x+2T2018+type@asset+block/NONE" id="dummy_course_static_link" style="display:none"/><a href="/courses/course-v1:MITx+8.371.3x+2T2018/jump_to_id/NONE" id="dummy_jump_link" style="display:none"/><script type="text/javascript">
var add_site_search = function(){
course_static_url = $('#dummy_course_static_link').attr('href').replace('/NONE', '');
jump_to_url = $('#dummy_jump_link').attr('href').replace('/NONE', '');
if (typeof String.prototype.startsWith != 'function') {
// see below for better implementation!
String.prototype.startsWith = function (str){
return this.indexOf(str) === 0;
};
}
if(typeof(String.prototype.trim) === "undefined")
{
String.prototype.trim = function()
{
return String(this).replace(/^\s+|\s+$/g, '');
};
}
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var amp = String.fromCharCode(38);
var rlb = rb + lb;
var mke = function(x){ return lb + x + rb; }
var search_module_url = "";
var get_search_module_ficus = function(){
var cid = $('div.xblock').data('course-id');
if (cid){
console.log("cid = ", cid);
// search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/" + cid + "/courseware/welcome/Search_this_course/";
search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/courseware/welcome/Search_this_course/"; // automatically rewritten
console.log("3. search_module_url = ", search_module_url);
return;
}
var course_root_link = $('span.nav-item-course').find('a').attr('href');
if (course_root_link){
console.log("course_root_link = ", course_root_link);
search_module_url = course_root_link.replace("course/", "courseware/welcome/Search_this_course/");
console.log("2. search_module_url = ", search_module_url);
return
}
console.log("cannot determine search module url");
}
var get_search_module = function(){
// find search this module link
if (!($('div.course-index').length)){
return get_search_module_ficus();
}
$('div.course-index').find('nav').find('a').each(function(){
if ($(this).text().trim().startsWith("Search this course")){
search_module_url = $(this).attr('href');
console.log("search_module_url = ", search_module_url);
}
});
}
var go_to_search = function(){
get_search_module();
var sterm = $('#site-search-box').val();
// new_url = jump_to_url + "/Search_this_module/?q=" + sterm;
new_url = search_module_url + "?q=" + sterm;
console.log("sterm = ", sterm, " ; going to ", new_url);
window.location.href = new_url;
}
if (!$('#site-search-box').length){
$("nav.courseware").find("ol").append(lb + "section style='float:right'" + rlb + "input size='20'"
+ " id='site-search-box'"
+ rlb + "img src='" + course_static_url
+ "/images_search_glass.png'/" + rlb + "/input" + rlb + "/section" + rb);
}
$("#site-search-box").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
go_to_search();
}
});
// $('#site-search-box').bind("enterKey", go_to_search);
var get = function(x){
return eval(x);
}
return {'course_static_url': course_static_url,
'jump_to_url': jump_to_url,
'go_to_search': go_to_search,
'get_search_module': get_search_module,
'get_search_module_ficus': get_search_module_ficus,
'get': get,
}
}
var the_site_search = add_site_search();
var add_fix_transcript = function(){
if ($('div.wrap-instructor-info').length==0){
return;
}
$('div.xblock-student_view-video').each(function(key, vblock_e){
var vblock = $(vblock_e);
var vuid = vblock.data('usage-id').split('@');
var vid;
if (vuid.length==1){
vuid = vblock.data('usage-id').split(';_')
vid = vuid[5];
}else{
vid = vuid[2];
}
var mfnpre = vid.split("_video",1)[0];
var mfnid = mfnpre; // no periods
mfnpre = mfnpre.replace('8_370', '8.370'); // periods in gh filename
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var mke = function(x){ return lb + x + rb; }
var ftid = "fix_transcript_" + mfnid;
if (!$('#' + ftid).length){
var html = lb + "span id='" + ftid + "' style='float:right'" + rb + lb + "a href='#'" + rb;
html += "contribute transcript fix" + mke("/a") + mke("/span");
console.log("html = ", html);
vblock.after(html)
}
$('#' + ftid).click(function(){
var cst = $('ol.subtitles').find('li.current');
var cindex = Number(cst.data('index'));
var gurl;
if (mfnpre.endsWith('_cq_sol')){
gurl = "https://github.com/mitocw/content-mit-8370x-cq-sol-subtitles/blob/master/";
}else{
gurl = "https://github.com/mitocw/content-mit-8370x-subtitles/blob/master/";
}
gurl += mfnpre + ".txt#L" + String(cindex + 10 + 1);
console.log("going to ", gurl);
window.open(gurl, "MITx 8.370x subtitle source");
});
});
}
try{
add_fix_transcript();
}
catch(err){
console.log(err);
}
try{
var rb = String.fromCharCode(62);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 3000);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 8000);
}
catch(err){
console.log(err);
}
</script></span>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@vertical+block@Why_Fourier_transform_" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="vertical" data-runtime-version="1" data-has-score="False" data-graded="True">
<h2 class="hd hd-2 unit-title">Why Fourier transform?</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15j">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15j" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="video" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Why Fourier transform?</h3>
<div
id="video_M3L15j"
class="video closed"
data-metadata='{"poster": null, "transcriptTranslationUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15j/handler/transcript/translation/__lang__", "streams": "1.00:jPr2g62PXTQ", "showCaptions": "true", "start": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu", "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15j/handler/transcript/available_translations", "autoAdvance": false, "ytTestTimeout": 1500, "transcriptLanguages": {"en": "English"}, "transcriptLanguage": "en", "saveStateUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15j/handler/xmodule_handler/save_user_state", "ytMetadataEndpoint": "", "recordedYoutubeIsAvailable": true, "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "autoplay": false, "publishCompletionUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15j/handler/publish_completion", "duration": 0.0, "completionPercentage": 0.95, "captionDataDir": null, "speed": null, "completionEnabled": false, "generalSpeed": 1.0, "prioritizeHls": false, "saveStateEnabled": false, "savedVideoPosition": 0.0, "end": 0.0, "sources": []}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="M3L15j"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box9">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box9" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="html" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<span><a href="/asset-v1:MITx+8.371.3x+2T2018+type@asset+block/NONE" id="dummy_course_static_link" style="display:none"/><a href="/courses/course-v1:MITx+8.371.3x+2T2018/jump_to_id/NONE" id="dummy_jump_link" style="display:none"/><script type="text/javascript">
var add_site_search = function(){
course_static_url = $('#dummy_course_static_link').attr('href').replace('/NONE', '');
jump_to_url = $('#dummy_jump_link').attr('href').replace('/NONE', '');
if (typeof String.prototype.startsWith != 'function') {
// see below for better implementation!
String.prototype.startsWith = function (str){
return this.indexOf(str) === 0;
};
}
if(typeof(String.prototype.trim) === "undefined")
{
String.prototype.trim = function()
{
return String(this).replace(/^\s+|\s+$/g, '');
};
}
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var amp = String.fromCharCode(38);
var rlb = rb + lb;
var mke = function(x){ return lb + x + rb; }
var search_module_url = "";
var get_search_module_ficus = function(){
var cid = $('div.xblock').data('course-id');
if (cid){
console.log("cid = ", cid);
// search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/" + cid + "/courseware/welcome/Search_this_course/";
search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/courseware/welcome/Search_this_course/"; // automatically rewritten
console.log("3. search_module_url = ", search_module_url);
return;
}
var course_root_link = $('span.nav-item-course').find('a').attr('href');
if (course_root_link){
console.log("course_root_link = ", course_root_link);
search_module_url = course_root_link.replace("course/", "courseware/welcome/Search_this_course/");
console.log("2. search_module_url = ", search_module_url);
return
}
console.log("cannot determine search module url");
}
var get_search_module = function(){
// find search this module link
if (!($('div.course-index').length)){
return get_search_module_ficus();
}
$('div.course-index').find('nav').find('a').each(function(){
if ($(this).text().trim().startsWith("Search this course")){
search_module_url = $(this).attr('href');
console.log("search_module_url = ", search_module_url);
}
});
}
var go_to_search = function(){
get_search_module();
var sterm = $('#site-search-box').val();
// new_url = jump_to_url + "/Search_this_module/?q=" + sterm;
new_url = search_module_url + "?q=" + sterm;
console.log("sterm = ", sterm, " ; going to ", new_url);
window.location.href = new_url;
}
if (!$('#site-search-box').length){
$("nav.courseware").find("ol").append(lb + "section style='float:right'" + rlb + "input size='20'"
+ " id='site-search-box'"
+ rlb + "img src='" + course_static_url
+ "/images_search_glass.png'/" + rlb + "/input" + rlb + "/section" + rb);
}
$("#site-search-box").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
go_to_search();
}
});
// $('#site-search-box').bind("enterKey", go_to_search);
var get = function(x){
return eval(x);
}
return {'course_static_url': course_static_url,
'jump_to_url': jump_to_url,
'go_to_search': go_to_search,
'get_search_module': get_search_module,
'get_search_module_ficus': get_search_module_ficus,
'get': get,
}
}
var the_site_search = add_site_search();
var add_fix_transcript = function(){
if ($('div.wrap-instructor-info').length==0){
return;
}
$('div.xblock-student_view-video').each(function(key, vblock_e){
var vblock = $(vblock_e);
var vuid = vblock.data('usage-id').split('@');
var vid;
if (vuid.length==1){
vuid = vblock.data('usage-id').split(';_')
vid = vuid[5];
}else{
vid = vuid[2];
}
var mfnpre = vid.split("_video",1)[0];
var mfnid = mfnpre; // no periods
mfnpre = mfnpre.replace('8_370', '8.370'); // periods in gh filename
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var mke = function(x){ return lb + x + rb; }
var ftid = "fix_transcript_" + mfnid;
if (!$('#' + ftid).length){
var html = lb + "span id='" + ftid + "' style='float:right'" + rb + lb + "a href='#'" + rb;
html += "contribute transcript fix" + mke("/a") + mke("/span");
console.log("html = ", html);
vblock.after(html)
}
$('#' + ftid).click(function(){
var cst = $('ol.subtitles').find('li.current');
var cindex = Number(cst.data('index'));
var gurl;
if (mfnpre.endsWith('_cq_sol')){
gurl = "https://github.com/mitocw/content-mit-8370x-cq-sol-subtitles/blob/master/";
}else{
gurl = "https://github.com/mitocw/content-mit-8370x-subtitles/blob/master/";
}
gurl += mfnpre + ".txt#L" + String(cindex + 10 + 1);
console.log("going to ", gurl);
window.open(gurl, "MITx 8.370x subtitle source");
});
});
}
try{
add_fix_transcript();
}
catch(err){
console.log(err);
}
try{
var rb = String.fromCharCode(62);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 3000);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 8000);
}
catch(err){
console.log(err);
}
</script></span>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@vertical+block@A_quick_application_of_Fourier_transform_quantum_phase_estimation" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="vertical" data-runtime-version="1" data-has-score="False" data-graded="True">
<h2 class="hd hd-2 unit-title">A quick application of Fourier transform: quantum phase estimation</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15k">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15k" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="video" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">A quick application of Fourier transform: quantum phase estimation</h3>
<div
id="video_M3L15k"
class="video closed"
data-metadata='{"poster": null, "transcriptTranslationUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15k/handler/transcript/translation/__lang__", "streams": "1.00:jc_WtjloIik", "showCaptions": "true", "start": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu", "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15k/handler/transcript/available_translations", "autoAdvance": false, "ytTestTimeout": 1500, "transcriptLanguages": {"en": "English"}, "transcriptLanguage": "en", "saveStateUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15k/handler/xmodule_handler/save_user_state", "ytMetadataEndpoint": "", "recordedYoutubeIsAvailable": true, "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "autoplay": false, "publishCompletionUrl": "/courses/course-v1:MITx+8.371.3x+2T2018/xblock/block-v1:MITx+8.371.3x+2T2018+type@video+block@M3L15k/handler/publish_completion", "duration": 0.0, "completionPercentage": 0.95, "captionDataDir": null, "speed": null, "completionEnabled": false, "generalSpeed": 1.0, "prioritizeHls": false, "saveStateEnabled": false, "savedVideoPosition": 0.0, "end": 0.0, "sources": []}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="M3L15k"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box10">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-usage-id="block-v1:MITx+8.371.3x+2T2018+type@html+block@site_search_box10" data-runtime-class="LmsRuntime" data-course-id="course-v1:MITx+8.371.3x+2T2018" data-request-token="2f0515fe886111ef87990affec87671b" data-block-type="html" data-runtime-version="1" data-has-score="False" data-graded="True">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<span><a href="/asset-v1:MITx+8.371.3x+2T2018+type@asset+block/NONE" id="dummy_course_static_link" style="display:none"/><a href="/courses/course-v1:MITx+8.371.3x+2T2018/jump_to_id/NONE" id="dummy_jump_link" style="display:none"/><script type="text/javascript">
var add_site_search = function(){
course_static_url = $('#dummy_course_static_link').attr('href').replace('/NONE', '');
jump_to_url = $('#dummy_jump_link').attr('href').replace('/NONE', '');
if (typeof String.prototype.startsWith != 'function') {
// see below for better implementation!
String.prototype.startsWith = function (str){
return this.indexOf(str) === 0;
};
}
if(typeof(String.prototype.trim) === "undefined")
{
String.prototype.trim = function()
{
return String(this).replace(/^\s+|\s+$/g, '');
};
}
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var amp = String.fromCharCode(38);
var rlb = rb + lb;
var mke = function(x){ return lb + x + rb; }
var search_module_url = "";
var get_search_module_ficus = function(){
var cid = $('div.xblock').data('course-id');
if (cid){
console.log("cid = ", cid);
// search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/" + cid + "/courseware/welcome/Search_this_course/";
search_module_url = "/courses/course-v1:MITx+8.371.3x+2T2018/courseware/welcome/Search_this_course/"; // automatically rewritten
console.log("3. search_module_url = ", search_module_url);
return;
}
var course_root_link = $('span.nav-item-course').find('a').attr('href');
if (course_root_link){
console.log("course_root_link = ", course_root_link);
search_module_url = course_root_link.replace("course/", "courseware/welcome/Search_this_course/");
console.log("2. search_module_url = ", search_module_url);
return
}
console.log("cannot determine search module url");
}
var get_search_module = function(){
// find search this module link
if (!($('div.course-index').length)){
return get_search_module_ficus();
}
$('div.course-index').find('nav').find('a').each(function(){
if ($(this).text().trim().startsWith("Search this course")){
search_module_url = $(this).attr('href');
console.log("search_module_url = ", search_module_url);
}
});
}
var go_to_search = function(){
get_search_module();
var sterm = $('#site-search-box').val();
// new_url = jump_to_url + "/Search_this_module/?q=" + sterm;
new_url = search_module_url + "?q=" + sterm;
console.log("sterm = ", sterm, " ; going to ", new_url);
window.location.href = new_url;
}
if (!$('#site-search-box').length){
$("nav.courseware").find("ol").append(lb + "section style='float:right'" + rlb + "input size='20'"
+ " id='site-search-box'"
+ rlb + "img src='" + course_static_url
+ "/images_search_glass.png'/" + rlb + "/input" + rlb + "/section" + rb);
}
$("#site-search-box").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
go_to_search();
}
});
// $('#site-search-box').bind("enterKey", go_to_search);
var get = function(x){
return eval(x);
}
return {'course_static_url': course_static_url,
'jump_to_url': jump_to_url,
'go_to_search': go_to_search,
'get_search_module': get_search_module,
'get_search_module_ficus': get_search_module_ficus,
'get': get,
}
}
var the_site_search = add_site_search();
var add_fix_transcript = function(){
if ($('div.wrap-instructor-info').length==0){
return;
}
$('div.xblock-student_view-video').each(function(key, vblock_e){
var vblock = $(vblock_e);
var vuid = vblock.data('usage-id').split('@');
var vid;
if (vuid.length==1){
vuid = vblock.data('usage-id').split(';_')
vid = vuid[5];
}else{
vid = vuid[2];
}
var mfnpre = vid.split("_video",1)[0];
var mfnid = mfnpre; // no periods
mfnpre = mfnpre.replace('8_370', '8.370'); // periods in gh filename
var lb = String.fromCharCode(60);
var rb = String.fromCharCode(62);
var mke = function(x){ return lb + x + rb; }
var ftid = "fix_transcript_" + mfnid;
if (!$('#' + ftid).length){
var html = lb + "span id='" + ftid + "' style='float:right'" + rb + lb + "a href='#'" + rb;
html += "contribute transcript fix" + mke("/a") + mke("/span");
console.log("html = ", html);
vblock.after(html)
}
$('#' + ftid).click(function(){
var cst = $('ol.subtitles').find('li.current');
var cindex = Number(cst.data('index'));
var gurl;
if (mfnpre.endsWith('_cq_sol')){
gurl = "https://github.com/mitocw/content-mit-8370x-cq-sol-subtitles/blob/master/";
}else{
gurl = "https://github.com/mitocw/content-mit-8370x-subtitles/blob/master/";
}
gurl += mfnpre + ".txt#L" + String(cindex + 10 + 1);
console.log("going to ", gurl);
window.open(gurl, "MITx 8.370x subtitle source");
});
});
}
try{
add_fix_transcript();
}
catch(err){
console.log(err);
}
try{
var rb = String.fromCharCode(62);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 3000);
setTimeout(function(){ $('.math' + rb + 'span').css("border-left-color","transparent"); }, 8000);
}
catch(err){
console.log(err);
}
</script></span>
</div>
</div>
</div>
</div>
© All Rights Reserved