{"id":29323,"date":"2022-01-25T11:33:39","date_gmt":"2022-01-25T16:33:39","guid":{"rendered":"https:\/\/blog.carlrobitaille.org\/?p=29323"},"modified":"2022-01-25T11:33:41","modified_gmt":"2022-01-25T16:33:41","slug":"discrete-differential-geometry","status":"publish","type":"post","link":"https:\/\/blog.carlrobitaille.org\/?p=29323","title":{"rendered":"Discrete Differential Geometry"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Discrete Differential Geometry - CMU 15-458\/858\" width=\"584\" height=\"329\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PL9_jI1bdZmz0hIrNCMQW1YmZysAiIYSSS\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">How do you compute the curvature of a polygonal curve?<br><br>The &quot;textbook definition&quot; gives a pretty useless answer: zero along edges; undefined at vertices!<br><br>In this <a href=\"https:\/\/twitter.com\/hashtag\/DDG2022?src=hash&amp;ref_src=twsrc%5Etfw\">#DDG2022<\/a> video we consider four alternative definitions, and explore their trade offs: <a href=\"https:\/\/t.co\/xXIMFLXfKe\">https:\/\/t.co\/xXIMFLXfKe<\/a> <a href=\"https:\/\/t.co\/6xo3trODMu\">pic.twitter.com\/6xo3trODMu<\/a><\/p>&mdash; Keenan Crane (@keenanisalive) <a href=\"https:\/\/twitter.com\/keenanisalive\/status\/1484557713765982209?ref_src=twsrc%5Etfw\">January 21, 2022<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,19,15],"tags":[],"class_list":["post-29323","post","type-post","status-publish","format-standard","hentry","category-infographie","category-mathematiques","category-programmation"],"_links":{"self":[{"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/posts\/29323","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=29323"}],"version-history":[{"count":1,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/posts\/29323\/revisions"}],"predecessor-version":[{"id":29324,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=\/wp\/v2\/posts\/29323\/revisions\/29324"}],"wp:attachment":[{"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=29323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.carlrobitaille.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}