<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-has-score="False" data-runtime-version="1" data-graded="False" data-usage-id="block-v1:MITx+15.482x+1T2019+type@vertical+block@6f8fe685162440739283b43354a33358" data-runtime-class="LmsRuntime" data-block-type="vertical" data-request-token="886d192a042711efb66a02329aca76dd" data-course-id="course-v1:MITx+15.482x+1T2019">
<h2 class="hd hd-2 unit-title">Overview</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+15.482x+1T2019+type@video+block@63bbdaffcb794b518b7c687aea79f5f9">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-init="XBlockToXModuleShim" data-has-score="False" data-runtime-version="1" data-graded="False" data-usage-id="block-v1:MITx+15.482x+1T2019+type@video+block@63bbdaffcb794b518b7c687aea79f5f9" data-runtime-class="LmsRuntime" data-block-type="video" data-request-token="886d192a042711efb66a02329aca76dd" data-course-id="course-v1:MITx+15.482x+1T2019">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Overview</h3>
<div
id="video_63bbdaffcb794b518b7c687aea79f5f9"
class="video closed"
data-metadata='{"speed": null, "saveStateEnabled": false, "streams": "1.00:UNNWaPx3Ur4", "savedVideoPosition": 0.0, "ytTestTimeout": 1500, "generalSpeed": 1.0, "poster": "https://mitx-edx-video-meta-storage.s3.amazonaws.com/media/video-images/bc4fca633d834b1d892d83c5de4d990a.png?Expires=1714175631&AWSAccessKeyId=ASIA4QDFFSUR5RZVIWRM&Signature=hul20PcyFEVRzAWcwlNyqiuWjcg%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEID%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLWVhc3QtMSJGMEQCIHUWjBw%2FzL17EpCN0tJcd9ThDwcC5PYFZHz4oRGnH%2FiOAiB3qDOcDpRtJER%2B%2BibWNXQDsEEGnp7vdzq%2BWq6UTmDR4yrDBQjJ%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAMaDDg1OTIwNTYzNzQxMSIMaTXdlvsWcyfc2SSdKpcFzHDp5UM5dMLOQX0f7eH5ja6UzBKWBJ5B4TQdWsvq1HMuolxK0fuF9f2onTbWJtuTE6Rb6zM2GS0itVOOHHWD5jckyUjo5yILkOecuFlWSMLK7UmEQg6WFuv%2BN0jrrHOLWA9YQAk%2BvLRzEoQH%2BKfFwhWv2uwDpAbThNeg%2FRkleW7cuxReAOJjHUi7k4SLQfz0IFUiblvWKBdY6UMH608J5fEkR6UUg25KuMBBTlXMbxa9YbHmyD2ND52UTQThWw8dRqGNNB57P6%2F70GVMt%2FJ5zacpHSnIfugMgIHzAlO0IHCB%2BN%2Btd74cInVWwkImnssglK9gQLiotiSHkENb1O6NR%2BaeNP7On4AENcskQVasSsa0jLgAur2xIAc01bmsVXVXax2hL%2FKXLFvsq48xY4qpjOOk%2F2odtbw0vCPk5RhyOqotd2ha5q%2FacAWTuopTltz7%2BuTUT%2BdgwCerZTn6Ox4s8fpqtIQk6LxF3%2B%2BjesXfLLQMs2Ec5BdUbAu3OZ318Hpd9nx2u5ARv%2Btl9l5wm8HY1fPq4XUJx1QbGRmsTjVsTbpja4lBp4a2NuDtjbJaRP%2BEwXhw%2Bpei8dqyyFk1E0PEyzoygeeJQuK%2Fy2u28wiFkR2B6g6ZFjJKmbcNo9PdReQ%2Bd5NsbWPfg%2BCkzBFczcva8VYfLDVa03Rx3rXX2MmoC31f2i5P2Z0h0DhnJvNQ2lEEjnq7YPQPG%2BhHE8R8rNshF2miQB5w0y%2BiTWsJnJSpOSCvZe22Ii%2FHx8iOGkshUCEBwIJhBPrQk12rtXvMJ5sfGhEZ1%2F25xKyOpJDNfwPSLR3uNMvGBbO9HxgPyrGAcah4GdnHBIh9f5wEwr70ahTunrQqZcgKBGm%2BGbjr6jue3qq4jNkJntbRMLL1sLEGOrIB1Kwl9a24PqFP7wmnl1dWkR2yU0SFcm7%2BPdo7QOyO7fK9mxfeP0Vn9oHuqY2gvrMNzXRE6FMT%2BnLZqIatAFDAIk2aPI0cIPaQ5hP9Lhcis5b1plpUB0PiuLmqFJSDRQAbU5xQeXe%2BArHYuyaBKkW2BclCQXMOT7uualWts5OMOauDcKlE%2BZtWyxTIy641i%2FSsPeHQfNhdzvmlyNIHeNN%2Bx8qaf7ATspM9SgRClr6IeSDOpw%3D%3D", "publishCompletionUrl": "/courses/course-v1:MITx+15.482x+1T2019/xblock/block-v1:MITx+15.482x+1T2019+type@video+block@63bbdaffcb794b518b7c687aea79f5f9/handler/publish_completion", "completionEnabled": false, "autoplay": false, "completionPercentage": 0.95, "captionDataDir": null, "duration": 71.54, "saveStateUrl": "/courses/course-v1:MITx+15.482x+1T2019/xblock/block-v1:MITx+15.482x+1T2019+type@video+block@63bbdaffcb794b518b7c687aea79f5f9/handler/xmodule_handler/save_user_state", "ytApiUrl": "https://www.youtube.com/iframe_api", "start": 0.0, "transcriptLanguage": "en", "lmsRootURL": "https://openlearninglibrary.mit.edu", "prioritizeHls": false, "autoAdvance": false, "transcriptLanguages": {"en": "English"}, "autohideHtml5": false, "transcriptTranslationUrl": "/courses/course-v1:MITx+15.482x+1T2019/xblock/block-v1:MITx+15.482x+1T2019+type@video+block@63bbdaffcb794b518b7c687aea79f5f9/handler/transcript/translation/__lang__", "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+15.482x+1T2019/xblock/block-v1:MITx+15.482x+1T2019+type@video+block@63bbdaffcb794b518b7c687aea79f5f9/handler/transcript/available_translations", "ytMetadataEndpoint": "", "recordedYoutubeIsAvailable": true, "sources": ["https://d2f1egay8yehza.cloudfront.net/MITx15.482x-V007100/MITx15.482x-V007100.m3u8", "https://d2f1egay8yehza.cloudfront.net/MITx15.482x-V007100_DTH.mp4"], "showCaptions": "true", "end": 0.0}'
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="63bbdaffcb794b518b7c687aea79f5f9"></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>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-init="VerticalStudentView" data-has-score="False" data-runtime-version="1" data-graded="False" data-usage-id="block-v1:MITx+15.482x+1T2019+type@vertical+block@0b432f8eb6464eac9bd7e6ad3bdbfda5" data-runtime-class="LmsRuntime" data-block-type="vertical" data-request-token="886d192a042711efb66a02329aca76dd" data-course-id="course-v1:MITx+15.482x+1T2019">
<h2 class="hd hd-2 unit-title">Handouts</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+15.482x+1T2019+type@html+block@c76e7c047374422aa44119c043d6ae45">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-init="XBlockToXModuleShim" data-has-score="False" data-runtime-version="1" data-graded="False" data-usage-id="block-v1:MITx+15.482x+1T2019+type@html+block@c76e7c047374422aa44119c043d6ae45" data-runtime-class="LmsRuntime" data-block-type="html" data-request-token="886d192a042711efb66a02329aca76dd" data-course-id="course-v1:MITx+15.482x+1T2019">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<h3>Lecture slides for Unit 4 are available here:</h3>
<h3>- <a href="/assets/courseware/v1/eede5c9aa65a5d82b1a9f629faf99c9d/asset-v1:MITx+15.482x+1T2019+type@asset+block/Unit_4_-_Part_1.pdf" target="[object Object]">Unit 4, Part 1</a>.</h3>
<h3>- <a href="/assets/courseware/v1/a99fe3c255061a858c4f02040f8f9f8c/asset-v1:MITx+15.482x+1T2019+type@asset+block/Unit_4_-_Part_2.pdf" target="[object Object]">Unit 4, Part 2</a>.</h3>
<h3>- <a href="/assets/courseware/v1/7cd84f33400665359f8f9899e7252d18/asset-v1:MITx+15.482x+1T2019+type@asset+block/Unit_4_-_Part_3.pdf" target="[object Object]">Unit 4, Part 3</a>.</h3>
<h3>- <a href="/assets/courseware/v1/83088d07ef20f4384b7ab344e8fbb154/asset-v1:MITx+15.482x+1T2019+type@asset+block/Unit_4_-_Part_4.pdf" target="[object Object]">Unit 4, Part 4</a>.</h3>
</div>
</div>
</div>
</div>
© All Rights Reserved