{"id":4062,"date":"2020-04-27T19:49:24","date_gmt":"2020-04-27T17:49:24","guid":{"rendered":"http:\/\/le-bars.net\/yoann\/?p=4062"},"modified":"2020-05-11T18:58:06","modified_gmt":"2020-05-11T16:58:06","slug":"guerre-modeles-episode-1-gravite-fantome","status":"publish","type":"post","link":"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/","title":{"rendered":"La Guerre des mod\u00e8les \u2013 \u00c9pisode\u00a01\u00a0: La Gravit\u00e9 fant\u00f4me"},"content":{"rendered":"\n<figure class=\"wp-block-embed-vimeo wp-block-embed is-type-video is-provider-vimeo wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"La\u00a0Guerre\u00a0des\u00a0mod\u00e8les \u2013 \u00c9pisode\u00a01\u00a0: La\u00a0Gravit\u00e9\u00a0fant\u00f4me\" src=\"https:\/\/player.vimeo.com\/video\/412291174?dnt=1&amp;app_id=122963\" width=\"660\" height=\"371\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture; clipboard-write\"><\/iframe>\n<\/div><figcaption>La Guerre des mod\u00e8les \u2013 \u00c9pisode 1 : La Gravit\u00e9 fant\u00f4me<\/figcaption><\/figure>\n\n\n\n<p>Voici la rediffusion du premier \u00e9pisode d\u2019une s\u00e9rie de <em>lives<\/em> que je vais mener sur la <a title=\"Cha\u00eene Twitch du Caf\u00e9&nbsp;des&nbsp;sciences\" href=\"https:\/\/www.twitch.tv\/cafedessciences\" target=\"_blank\" rel=\"noreferrer noopener\">cha\u00eene Twitch du Caf\u00e9 des sciences<\/a>. L\u2019objectif est de montrer un peu comment \u00e9tablir un mod\u00e8le num\u00e9rique et de jouer un peu avec ces mod\u00e8les, pour voir ce qu\u2019ils nous permettent de dire. J\u2019esp\u00e8re suivre le rythme d\u2019un \u00e9pisode toutes les deux semaines.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>Je vous mets un lien cliquable vers l\u2019article intitul\u00e9 \u00ab\u202f<a title=\"La Chute des corps&nbsp;: Galil\u00e9e tombe \u00e0 pic\u202f!\" href=\"http:\/\/le-bars.net\/yoann\/fr\/2017\/04\/04\/la-chute-des-corps-galilee-tombe-bien%e2%80%af\/\">La Chute des corps : Galil\u00e9e tombe \u00e0 pic<\/a>\u202f\u00bb dont je parle dans la vid\u00e9o. \u00c9galement, je laisse \u00e0 votre disposition plusieurs \u00e9l\u00e9ments pour que vous puissiez jouer avec le mod\u00e8le. Cependant, je vous dois d\u2019abord quelques explications.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Les al\u00e9as du direct<\/h4>\n\n\n\n<p>J\u2019ai eu un probl\u00e8me technique \u00e0 la fin de cet \u00e9pisode. Pendant le direct, je pensais avoir un probl\u00e8me de connexion Internet, mais pas du tout. Laissez-moi vous expliquez ce qui s\u2019est pass\u00e9.<\/p>\n\n\n\n<p>La carte m\u00e8re de mon ordinateur de bureau a rendu l\u2019\u00e2me une semaine avant cet \u00e9pisode. Si j\u2019ai bien command\u00e9 de quoi la remplacer, du fait du confinement les composants n\u2019\u00e9taient pas encore arriv\u00e9s au moment du <em>live<\/em>. J\u2019ai donc r\u00e9alis\u00e9 l\u2019\u00e9pisode sur un ordinateur portable. Je m\u2019\u00e9tais assur\u00e9 que cet ordinateur pouvait bien r\u00e9aliser les t\u00e2ches n\u00e9cessaires, mais je les avais test\u00e9s une par une. Au bout de presque une heure \u00e0 r\u00e9aliser \u00e0 la fois des calculs de mod\u00e9lisation et de visualisation 3D, l\u2019encodage la vid\u00e9o pour le flux vid\u00e9o, l\u2019enregistrement de cette vid\u00e9o, et la lecture de la vid\u00e9o sur Twitch afin que je voie le <em>chat<\/em> \u2013 sous Linux, OBS Studio, logiciel qui m\u2019a servi \u00e0 r\u00e9aliser le direct, ne permet pas (encore) de lire le <em>chat<\/em>, \u2013 ce pauvre ordinateur n\u2019en pouvait plus.<\/p>\n\n\n\n<p>Le r\u00e9sultat a \u00e9t\u00e9 une d\u00e9connexion brutale, heureusement apr\u00e8s que l\u2019essentiel a \u00e9t\u00e9 dit. En m\u00e9langeant deux sources, j\u2019ai pu faire un montage o\u00f9 je dis au-revoir de mani\u00e8re beaucoup moins abrupte. Mes excuses \u00e0 ceux qui ont suivis le direct, au moins la vid\u00e9o disponible ici est-elle compl\u00e8te. Pour le prochain \u00e9pisode, j\u2019aurais normalement remis mon ordinateur de bureau en \u00e9tat, lequel est fait pour r\u00e9aliser des t\u00e2ches exigeantes.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">De quoi jouer un peu<\/h4>\n\n\n\n<p>Pour que vous puissiez jouer avec le mod\u00e8le chez vous, je vous laisse \u00e0 disposition <a title=\"Pr\u00e9sentation de la th\u00e9orie\" rel=\"noreferrer noopener\" href=\"https:\/\/cloud.le-bars.net\/index.php\/s\/Wrc9gbtTqGpZKn5\" target=\"_blank\">le support qui m\u2019a permis de pr\u00e9senter la partie th\u00e9orique<\/a>. \u00c9galement, <a title=\"Le code Python\" rel=\"noreferrer noopener\" href=\"https:\/\/cloud.le-bars.net\/index.php\/s\/LweMwNjAhbpObbr\" target=\"_blank\">je vous laisse le code<\/a>, n\u2019h\u00e9sitez pas \u00e0 l\u2019explorer.<\/p>\n\n\n\n<p>Pour fonctionner, le code n\u00e9cessite un interpr\u00e8te <a title=\"Le language Python\" rel=\"noreferrer noopener\" href=\"https:\/\/www.python.org\/\" target=\"_blank\">Python&nbsp;3<\/a> ainsi que le moteur de jeu <a title=\"Panda&nbsp;3D\" rel=\"noreferrer noopener\" href=\"https:\/\/www.panda3d.org\/\" target=\"_blank\">Panda&nbsp;3D<\/a>. Tout cela est tr\u00e8s simple d\u2019emploi (pour de la programmation) et fonctionne sous Microsoft&nbsp;Windows, macOS et GNU\/Linux, entre autres syst\u00e8mes. Pour voir tourner le mod\u00e8le, il suffit d\u2019ex\u00e9cuter le script nomm\u00e9 \u00ab\u202fexemple1.py\u202f\u00bb dans le r\u00e9pertoire \u00ab\u202fsrc\/\u202f\u00bb.<\/p>\n\n\n\n<p>Pendant le direct, j\u2019ai fait une erreur de programmation, ce qui arrive. J\u2019ai trouv\u00e9 une astuce pour la corriger rapidement, du coup, je vous pr\u00e9cise quelle \u00e9tait l\u2019erreur : dans la mise \u00e0 jour des positions, j\u2019ai multipli\u00e9 l\u2019acc\u00e9l\u00e9ration par le pas de temps, alors qu\u2019il faut la multiplier par le carr\u00e9 du pas de temps. Certains l\u2019avaient vu, j\u2019ai re\u00e7u des messages en ce sens. Bravo \u00e0 vous\u202f!<\/p>\n\n\n\n<p>J\u2019esp\u00e8re vous voir au prochain \u00e9pisode, dont le direct devrait avoir lieu le dimanche 10 mai \u00e0 17\u202fh\u202f!<\/p>\n\n\n\n<p>Comme tous les contenus de ce site, la vid\u00e9o, le pr\u00e9sent texte et le support de pr\u00e9sentation sont sous contrat <a title=\"Contrat Creative&nbsp;Commons\" rel=\"noreferrer noopener\" href=\"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/\" target=\"_blank\">Creative Commons Attribution \u2013 Pas d\u2019utilisation commerciale \u2013 Pas de modification 4.0 internationale<\/a>. Le code est sous contrat <a title=\"Contrat CeCILL\" rel=\"noreferrer noopener\" href=\"https:\/\/cecill.info\/licences\/Licence_CeCILL_V2.1-fr.html\" target=\"_blank\">CeCILL 2.0<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voici la rediffusion du premier \u00e9pisode d\u2019une s\u00e9rie de lives que je vais mener sur la cha\u00eene Twitch du Caf\u00e9 des sciences. L\u2019objectif est de montrer un peu comment \u00e9tablir un mod\u00e8le num\u00e9rique et de jouer un peu avec ces mod\u00e8les, pour voir ce qu\u2019ils nous permettent de dire. J\u2019esp\u00e8re suivre le rythme d\u2019un \u00e9pisode &hellip; <a href=\"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">La Guerre des mod\u00e8les \u2013 \u00c9pisode\u00a01\u00a0: La Gravit\u00e9 fant\u00f4me<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"video","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[43],"tags":[171,133,181,74,81,66],"class_list":["post-4062","post","type-post","status-publish","format-video","hentry","category-science","tag-cds","tag-mathematiques","tag-maths","tag-physique","tag-science","tag-vulgarisation","post_format-post-format-video"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La Guerre des mod\u00e8les \u2013 \u00c9pisode\u00a01\u00a0: La Gravit\u00e9 fant\u00f4me &#8211; Vu d\u2019ici<\/title>\n<meta name=\"description\" content=\"Premier \u00e9pisode d\u2019une s\u00e9rie de live dans lesquels je montre le travail de mod\u00e9lisation math\u00e9matique et informatique de divers ph\u00e9nom\u00e8nes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La Guerre des mod\u00e8les \u2013 \u00c9pisode\u00a01\u00a0: La Gravit\u00e9 fant\u00f4me &#8211; Vu d\u2019ici\" \/>\n<meta property=\"og:description\" content=\"Premier \u00e9pisode d\u2019une s\u00e9rie de live dans lesquels je montre le travail de mod\u00e9lisation math\u00e9matique et informatique de divers ph\u00e9nom\u00e8nes.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/\" \/>\n<meta property=\"og:site_name\" content=\"Vu d\u2019ici\" \/>\n<meta property=\"article:published_time\" content=\"2020-04-27T17:49:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-05-11T16:58:06+00:00\" \/>\n<meta name=\"author\" content=\"Yoann Le Bars\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Yoann Le Bars\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/\"},\"author\":{\"name\":\"Yoann Le Bars\",\"@id\":\"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/90c5a2de7ad2db1184bbe140ebea1576\"},\"headline\":\"La Guerre des mod\u00e8les \u2013 \u00c9pisode\u00a01\u00a0: La Gravit\u00e9 fant\u00f4me\",\"datePublished\":\"2020-04-27T17:49:24+00:00\",\"dateModified\":\"2020-05-11T16:58:06+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/\"},\"wordCount\":670,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/90c5a2de7ad2db1184bbe140ebea1576\"},\"keywords\":[\"cds\",\"Math\u00e9matiques\",\"Maths\",\"Physique\",\"Science\",\"Vulgarisation\"],\"articleSection\":[\"Science\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/\",\"url\":\"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/\",\"name\":\"La Guerre des mod\u00e8les \u2013 \u00c9pisode\u00a01\u00a0: La Gravit\u00e9 fant\u00f4me &#8211; Vu d\u2019ici\",\"isPartOf\":{\"@id\":\"https:\/\/le-bars.net\/yoann\/#website\"},\"datePublished\":\"2020-04-27T17:49:24+00:00\",\"dateModified\":\"2020-05-11T16:58:06+00:00\",\"description\":\"Premier \u00e9pisode d\u2019une s\u00e9rie de live dans lesquels je montre le travail de mod\u00e9lisation math\u00e9matique et informatique de divers ph\u00e9nom\u00e8nes.\",\"breadcrumb\":{\"@id\":\"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/le-bars.net\/yoann\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"La Guerre des mod\u00e8les \u2013 \u00c9pisode\u00a01\u00a0: La Gravit\u00e9 fant\u00f4me\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/le-bars.net\/yoann\/#website\",\"url\":\"https:\/\/le-bars.net\/yoann\/\",\"name\":\"Vu d\u2019ici\",\"description\":\"Pages personnelles de Yoann LE\u00a0BARS\",\"publisher\":{\"@id\":\"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/90c5a2de7ad2db1184bbe140ebea1576\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/le-bars.net\/yoann\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/90c5a2de7ad2db1184bbe140ebea1576\",\"name\":\"Yoann Le Bars\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2020\/11\/fec731577f2c05141910be0dc3ef5bb2.jpeg?fit=80%2C80&ssl=1\",\"contentUrl\":\"https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2020\/11\/fec731577f2c05141910be0dc3ef5bb2.jpeg?fit=80%2C80&ssl=1\",\"width\":80,\"height\":80,\"caption\":\"Yoann Le Bars\"},\"logo\":{\"@id\":\"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/image\/\"},\"description\":\"Un enseignant-chercheur avec un peu trop de centres d\u2019int\u00e9r\u00eats pour pouvoir r\u00e9sumer\u2026\",\"sameAs\":[\"http:\/\/le-bars.net\/yoann\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"La Guerre des mod\u00e8les \u2013 \u00c9pisode\u00a01\u00a0: La Gravit\u00e9 fant\u00f4me &#8211; Vu d\u2019ici","description":"Premier \u00e9pisode d\u2019une s\u00e9rie de live dans lesquels je montre le travail de mod\u00e9lisation math\u00e9matique et informatique de divers ph\u00e9nom\u00e8nes.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/","og_locale":"fr_FR","og_type":"article","og_title":"La Guerre des mod\u00e8les \u2013 \u00c9pisode\u00a01\u00a0: La Gravit\u00e9 fant\u00f4me &#8211; Vu d\u2019ici","og_description":"Premier \u00e9pisode d\u2019une s\u00e9rie de live dans lesquels je montre le travail de mod\u00e9lisation math\u00e9matique et informatique de divers ph\u00e9nom\u00e8nes.","og_url":"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/","og_site_name":"Vu d\u2019ici","article_published_time":"2020-04-27T17:49:24+00:00","article_modified_time":"2020-05-11T16:58:06+00:00","author":"Yoann Le Bars","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Yoann Le Bars","Dur\u00e9e de lecture estim\u00e9e":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/#article","isPartOf":{"@id":"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/"},"author":{"name":"Yoann Le Bars","@id":"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/90c5a2de7ad2db1184bbe140ebea1576"},"headline":"La Guerre des mod\u00e8les \u2013 \u00c9pisode\u00a01\u00a0: La Gravit\u00e9 fant\u00f4me","datePublished":"2020-04-27T17:49:24+00:00","dateModified":"2020-05-11T16:58:06+00:00","mainEntityOfPage":{"@id":"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/"},"wordCount":670,"commentCount":0,"publisher":{"@id":"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/90c5a2de7ad2db1184bbe140ebea1576"},"keywords":["cds","Math\u00e9matiques","Maths","Physique","Science","Vulgarisation"],"articleSection":["Science"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/","url":"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/","name":"La Guerre des mod\u00e8les \u2013 \u00c9pisode\u00a01\u00a0: La Gravit\u00e9 fant\u00f4me &#8211; Vu d\u2019ici","isPartOf":{"@id":"https:\/\/le-bars.net\/yoann\/#website"},"datePublished":"2020-04-27T17:49:24+00:00","dateModified":"2020-05-11T16:58:06+00:00","description":"Premier \u00e9pisode d\u2019une s\u00e9rie de live dans lesquels je montre le travail de mod\u00e9lisation math\u00e9matique et informatique de divers ph\u00e9nom\u00e8nes.","breadcrumb":{"@id":"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/le-bars.net\/yoann\/fr\/2020\/04\/27\/guerre-modeles-episode-1-gravite-fantome\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/le-bars.net\/yoann\/fr\/"},{"@type":"ListItem","position":2,"name":"La Guerre des mod\u00e8les \u2013 \u00c9pisode\u00a01\u00a0: La Gravit\u00e9 fant\u00f4me"}]},{"@type":"WebSite","@id":"https:\/\/le-bars.net\/yoann\/#website","url":"https:\/\/le-bars.net\/yoann\/","name":"Vu d\u2019ici","description":"Pages personnelles de Yoann LE\u00a0BARS","publisher":{"@id":"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/90c5a2de7ad2db1184bbe140ebea1576"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/le-bars.net\/yoann\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":["Person","Organization"],"@id":"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/90c5a2de7ad2db1184bbe140ebea1576","name":"Yoann Le Bars","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/image\/","url":"https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2020\/11\/fec731577f2c05141910be0dc3ef5bb2.jpeg?fit=80%2C80&ssl=1","contentUrl":"https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2020\/11\/fec731577f2c05141910be0dc3ef5bb2.jpeg?fit=80%2C80&ssl=1","width":80,"height":80,"caption":"Yoann Le Bars"},"logo":{"@id":"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/image\/"},"description":"Un enseignant-chercheur avec un peu trop de centres d\u2019int\u00e9r\u00eats pour pouvoir r\u00e9sumer\u2026","sameAs":["http:\/\/le-bars.net\/yoann"]}]}},"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p61hos-13w","jetpack-related-posts":[{"id":4080,"url":"https:\/\/le-bars.net\/yoann\/fr\/2020\/05\/10\/guerre-modeles-episode-2-attaque-chocs\/","url_meta":{"origin":4062,"position":0},"title":"La\u00a0Guerre\u00a0des\u00a0mod\u00e8les \u2013 \u00c9pisode\u00a02\u00a0: L\u2019Attaque\u00a0des\u00a0chocs","author":"Yoann Le Bars","date":"10 mai 2020","format":"video","excerpt":"https:\/\/vimeo.com\/416978637 La Guerre des mod\u00e8les \u2013 \u00c9pisode 2 : L\u2019Attaque des chocs Voici donc la rediffusion du deuxi\u00e8me \u00e9pisode de cette s\u00e9rie o\u00f9 je montre comment r\u00e9aliser des mod\u00e8les math\u00e9matiques. Pour cette fois, nous ajoutons les collisions, plus pr\u00e9cis\u00e9ment les chocs \u00e9lastiques, \u00e0 la gravitation. Pour faciliter votre navigation, je\u2026","rel":"","context":"Dans &quot;Science&quot;","block_context":{"text":"Science","link":"https:\/\/le-bars.net\/yoann\/fr\/category\/science\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4108,"url":"https:\/\/le-bars.net\/yoann\/fr\/2020\/07\/05\/la-guerre-des-modeles-hors-serie-1-une-histoire-de-la-guerre-des-modeles\/","url_meta":{"origin":4062,"position":1},"title":"La Guerre des mod\u00e8les \u2013 Hors-s\u00e9rie\u00a01\u00a0: une histoire de la Guerre des mod\u00e8les","author":"Yoann Le Bars","date":"5 juillet 2020","format":"video","excerpt":"https:\/\/vimeo.com\/435504688 La Guerre des mod\u00e8les \u2013 Hors-s\u00e9rie 1 : une histoire de la guerre des mod\u00e8les Petit \u00e9pisode avant la pause estivale, o\u00f9 sur le mode ludique je reviens sur les grandes \u00e9tapes de la mod\u00e9lisation num\u00e9rique et fait un peu le point sur ce que j\u2019ai pu pr\u00e9senter jusqu\u2019ici.\u2026","rel":"","context":"Dans &quot;Science&quot;","block_context":{"text":"Science","link":"https:\/\/le-bars.net\/yoann\/fr\/category\/science\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4100,"url":"https:\/\/le-bars.net\/yoann\/fr\/2020\/06\/07\/guerre-des-modeles-episode-4-nouveau-moment\/","url_meta":{"origin":4062,"position":2},"title":"La\u00a0Guerre\u00a0des\u00a0mod\u00e8les \u2013 \u00c9pisode\u00a04\u00a0: Un\u00a0Nouveau\u00a0moment","author":"Yoann Le Bars","date":"7 juin 2020","format":"video","excerpt":"https:\/\/vimeo.com\/426757194 LA Guerre des mod\u00e8les \u2013 \u00c9pisode 4 : Un Nouveau moment Voici donc la rediffusion du quatri\u00e8me \u00e9pisode de cette s\u00e9rie o\u00f9 je montre comment r\u00e9aliser des mod\u00e8les math\u00e9matiques. Pour cette fois, nous nous penchons sur les moments d\u2019inertie. Comme d\u2019habitude, j\u2019ai fait un r\u00e9pertoire partag\u00e9 o\u00f9 vous pouvez\u2026","rel":"","context":"Dans &quot;Science&quot;","block_context":{"text":"Science","link":"https:\/\/le-bars.net\/yoann\/fr\/category\/science\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4092,"url":"https:\/\/le-bars.net\/yoann\/fr\/2020\/05\/24\/guerre-modeles-episode-3-revanche-frottements\/","url_meta":{"origin":4062,"position":3},"title":"La\u00a0Guerre\u00a0des\u00a0mod\u00e8les \u2013 \u00c9pisode\u00a03\u00a0: La\u00a0Revanche\u00a0des\u00a0frottements","author":"Yoann Le Bars","date":"24 mai 2020","format":"video","excerpt":"https:\/\/vimeo.com\/422205131 La Guerre des mod\u00e8les \u2013 \u00c9pisode 3 : La Revanche des frottements Voici donc la rediffusion du troisi\u00e8me \u00e9pisode de cette s\u00e9rie o\u00f9 je montre comment r\u00e9aliser des mod\u00e8les math\u00e9matiques. Pour cette fois, nous nous penchons sur les frottements. Pour faciliter votre navigation, je vous donne le lien vers\u2026","rel":"","context":"Dans &quot;Science&quot;","block_context":{"text":"Science","link":"https:\/\/le-bars.net\/yoann\/fr\/category\/science\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":5292,"url":"https:\/\/le-bars.net\/yoann\/fr\/2024\/05\/28\/la-geste-des-statistiques-et-de-lopinion-episode-11-la-maison-des-sondages\/","url_meta":{"origin":4062,"position":4},"title":"La Geste des statistiques et de l\u2019opinion \u2013 \u00c9pisode 11\u00a0: La Maison des sondages","author":"Yoann Le Bars","date":"28 mai 2024","format":"video","excerpt":"https:\/\/vimeo.com\/951279904?share=copy Episode\u00a011\u00a0: La\u00a0Maison des sondages Dans la s\u00e9rie de lives intitul\u00e9e La\u00a0Geste\u00a0des\u00a0statistiques\u00a0et\u00a0de\u00a0l\u2019opinion, je pr\u00e9sente comment fonctionnent les sondages et comment les lire. Voici la rediffusion du onzi\u00e8me \u00e9pisode, La\u00a0Maison\u00a0des\u00a0sondages, dans lequel, avec Chlo\u00e9\u00a0Debauges, nous analysons les sondages pour les \u00e9lections europ\u00e9ennes de 2024. L\u2019\u00e9tat du mod\u00e8le au jour du live\u2026","rel":"","context":"Dans &quot;Politique&quot;","block_context":{"text":"Politique","link":"https:\/\/le-bars.net\/yoann\/fr\/category\/politique\/"},"img":{"alt_text":"Sch\u00e9ma des intentions de votes au 26 mai 2024.","src":"https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2024\/05\/intentionsVotes-2024-05-27.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2024\/05\/intentionsVotes-2024-05-27.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2024\/05\/intentionsVotes-2024-05-27.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2024\/05\/intentionsVotes-2024-05-27.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2024\/05\/intentionsVotes-2024-05-27.png?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2024\/05\/intentionsVotes-2024-05-27.png?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":4432,"url":"https:\/\/le-bars.net\/yoann\/fr\/2022\/06\/11\/la-geste-des-statistiques-et-de-lopinion-hors-serie-n-3-sondages-et-confusion\/","url_meta":{"origin":4062,"position":5},"title":"La Geste des statistiques et de l\u2019opinion \u2013 Hors-s\u00e9rie n\u00b0\u00a03&nbsp;: Sondages  et confusion","author":"Yoann Le Bars","date":"11 juin 2022","format":"video","excerpt":"https:\/\/vimeo.com\/719318355 Troisi\u00e8me hors-s\u00e9rie de la s\u00e9rie de lives intitul\u00e9es La\u00a0Geste\u00a0des\u00a0statistiques\u00a0et\u00a0de\u00a0l\u2019opinion Dans la s\u00e9rie de lives intitul\u00e9e La\u00a0Geste\u00a0des\u00a0statistiques\u00a0et\u00a0de\u00a0l\u2019opinion, je pr\u00e9sente comment fonctionnent les sondages et comment les lire. Voici la rediffusion du troisi\u00e8me hors-s\u00e9rie, Sondages et confusion, dans lequel je pr\u00e9sente les sondages \u00e0 la veille du premier tour des \u00e9lections\u2026","rel":"","context":"Dans &quot;Politique&quot;","block_context":{"text":"Politique","link":"https:\/\/le-bars.net\/yoann\/fr\/category\/politique\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2022\/06\/intentionsVotes-2022-06-10.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2022\/06\/intentionsVotes-2022-06-10.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2022\/06\/intentionsVotes-2022-06-10.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2022\/06\/intentionsVotes-2022-06-10.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2022\/06\/intentionsVotes-2022-06-10.png?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/le-bars.net\/yoann\/wordpress\/wp-content\/uploads\/2022\/06\/intentionsVotes-2022-06-10.png?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/le-bars.net\/yoann\/wp-json\/wp\/v2\/posts\/4062","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/le-bars.net\/yoann\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/le-bars.net\/yoann\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/le-bars.net\/yoann\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/le-bars.net\/yoann\/wp-json\/wp\/v2\/comments?post=4062"}],"version-history":[{"count":14,"href":"https:\/\/le-bars.net\/yoann\/wp-json\/wp\/v2\/posts\/4062\/revisions"}],"predecessor-version":[{"id":4077,"href":"https:\/\/le-bars.net\/yoann\/wp-json\/wp\/v2\/posts\/4062\/revisions\/4077"}],"wp:attachment":[{"href":"https:\/\/le-bars.net\/yoann\/wp-json\/wp\/v2\/media?parent=4062"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/le-bars.net\/yoann\/wp-json\/wp\/v2\/categories?post=4062"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/le-bars.net\/yoann\/wp-json\/wp\/v2\/tags?post=4062"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}