{"version":"1.0","provider_name":"Laboratoire des id\u00e9es","provider_url":"https:\/\/www.laboratoiredesidees.fr","author_name":"admin2154","author_url":"https:\/\/www.laboratoiredesidees.fr\/index.php\/author\/admin2154\/","title":"Introduction au calcul diff\u00e9rentiel - Laboratoire des id\u00e9es","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"QdS5noJsei\"><a href=\"https:\/\/www.laboratoiredesidees.fr\/index.php\/2026\/08\/02\/calcul-differentiel\/\">Introduction au calcul diff\u00e9rentiel<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.laboratoiredesidees.fr\/index.php\/2026\/08\/02\/calcul-differentiel\/embed\/#?secret=QdS5noJsei\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0Introduction au calcul diff\u00e9rentiel\u00a0\u00bb &#8212; Laboratoire des id\u00e9es\" data-secret=\"QdS5noJsei\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.laboratoiredesidees.fr\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Le calcul diff\u00e9rentiel g\u00e9n\u00e9ralise la d\u00e9riv\u00e9e aux fonctions de plusieurs variables en les approximant localement par une application lin\u00e9aire tangente, la diff\u00e9rentielle. Ce concept unifie le calcul des variations (applications lin\u00e9aires, bilin\u00e9aires, norme) et montre que les d\u00e9riv\u00e9es partielles ou directionnelles ne sont que l&rsquo;\u00e9valuation de cette diff\u00e9rentielle sur des vecteurs sp\u00e9cifiques."}