{"id":645,"date":"2019-12-25T09:00:00","date_gmt":"2019-12-25T08:00:00","guid":{"rendered":"https:\/\/smalltalks.eu\/blog\/?p=645"},"modified":"2026-09-27T18:17:30","modified_gmt":"2026-09-27T16:17:30","slug":"voir-les-mathematiques-fourier-et-bayes-3blue1brown","status":"publish","type":"post","link":"https:\/\/smalltalks.eu\/blog\/2019\/12\/25\/voir-les-mathematiques-fourier-et-bayes-3blue1brown\/","title":{"rendered":"Voir les math\u00e9matiques : Fourier et Bayes (3Blue1Brown)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Grant Sanderson (3Blue1Brown) a un talent unique pour rendre les math\u00e9matiques visibles. Deux classiques.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Qu&#8217;est-ce que la transform\u00e9e de Fourier ?<\/h3>\n\n\n\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=\"But what is the Fourier Transform?  A visual introduction.\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/spUNpyF58BY?feature=oembed\" 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<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e9composer un son en fr\u00e9quences : l&#8217;outil math\u00e9matique au c\u0153ur de l&#8217;analyse du signal, et de la musique num\u00e9rique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Le th\u00e9or\u00e8me de Bayes, la g\u00e9om\u00e9trie des croyances<\/h3>\n\n\n\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=\"Bayes theorem, the geometry of changing beliefs\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/HZGCoVF3YvM?feature=oembed\" 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<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 rapprocher de <a href=\"https:\/\/smalltalks.eu\/blog\/?p=483\">la loi de Bayes selon Monsieur Phi<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Vid\u00e9os de 3Blue1Brown (en anglais).<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Grant Sanderson (3Blue1Brown) a un talent unique pour rendre les math\u00e9matiques visibles. Deux classiques. Qu&#8217;est-ce que la transform\u00e9e de Fourier ? D\u00e9composer un son en fr\u00e9quences : l&#8217;outil math\u00e9matique au c\u0153ur de l&#8217;analyse du signal, et de la musique num\u00e9rique. Le th\u00e9or\u00e8me de Bayes, la g\u00e9om\u00e9trie des croyances \u00c0 rapprocher de la loi de Bayes selon Monsieur Phi. Vid\u00e9os de 3Blue1Brown (en anglais).<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[295,233,280,282],"tags":[],"class_list":["post-645","post","type-post","status-publish","format-standard","hentry","category-3blue1brown","category-musique","category-sciences","category-sciences-mathematiques"],"_links":{"self":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/comments?post=645"}],"version-history":[{"count":1,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/645\/revisions"}],"predecessor-version":[{"id":749,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/645\/revisions\/749"}],"wp:attachment":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/media?parent=645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/categories?post=645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/tags?post=645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}