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mw-ui-icon-wikimedia-expand"></span> <span>Afficher / masquer la sous-section Mathématiques</span> </button> <ul id="toc-Mathématiques-sublist" class="vector-toc-list"> <li id="toc-Coefficient_de_proportionnalité" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Coefficient_de_proportionnalité"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Coefficient de proportionnalité</span> </div> </a> <ul id="toc-Coefficient_de_proportionnalité-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Coefficients_de_polynômes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Coefficients_de_polynômes"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Coefficients de polynômes</span> </div> </a> <ul id="toc-Coefficients_de_polynômes-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Sciences_expérimentales" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Sciences_expérimentales"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Sciences expérimentales</span> </div> </a> <ul id="toc-Sciences_expérimentales-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Salaires" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Salaires"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Salaires</span> </div> </a> <ul id="toc-Salaires-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Art" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Art"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Art</span> </div> </a> <ul id="toc-Art-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes_et_références" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes_et_références"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Notes et références</span> </div> </a> <button aria-controls="toc-Notes_et_références-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Afficher / masquer la sous-section Notes et références</span> </button> <ul id="toc-Notes_et_références-sublist" class="vector-toc-list"> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Références" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Références"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.2</span> <span>Références</span> </div> </a> <ul id="toc-Références-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Voir_aussi" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Voir_aussi"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Voir aussi</span> </div> </a> <button aria-controls="toc-Voir_aussi-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Afficher / masquer la sous-section Voir aussi</span> </button> <ul id="toc-Voir_aussi-sublist" class="vector-toc-list"> <li id="toc-Articles_connexes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Articles_connexes"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Articles connexes</span> </div> </a> <ul id="toc-Articles_connexes-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Sommaire" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Basculer la table des matières" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Basculer la table des matières</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Coefficient</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Aller à un article dans une autre langue. Disponible en 60 langues." > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-60" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">60 langues</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D8%B9%D8%A7%D9%85%D9%84" title="معامل – arabe" lang="ar" hreflang="ar" data-title="معامل" data-language-autonym="العربية" data-language-local-name="arabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/%C6%8Fmsal" title="Əmsal – azerbaïdjanais" lang="az" hreflang="az" data-title="Əmsal" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaïdjanais" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9A%D0%BE%D0%B5%D1%84%D0%B8%D1%86%D0%B8%D0%B5%D0%BD%D1%82" title="Коефициент – bulgare" lang="bg" hreflang="bg" data-title="Коефициент" data-language-autonym="Български" data-language-local-name="bulgare" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Coeficient" title="Coeficient – catalan" lang="ca" hreflang="ca" data-title="Coeficient" data-language-autonym="Català" data-language-local-name="catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cbk-zam mw-list-item"><a href="https://cbk-zam.wikipedia.org/wiki/Coeficiente_(matematica)" title="Coeficiente (matematica) – Chavacano" lang="cbk" hreflang="cbk" data-title="Coeficiente (matematica)" data-language-autonym="Chavacano de Zamboanga" data-language-local-name="Chavacano" class="interlanguage-link-target"><span>Chavacano de Zamboanga</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Koeficient" title="Koeficient – tchèque" lang="cs" hreflang="cs" data-title="Koeficient" data-language-autonym="Čeština" data-language-local-name="tchèque" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9A%D0%BE%D1%8D%D1%84%D1%84%D0%B8%D1%86%D0%B8%D0%B5%D0%BD%D1%82" title="Коэффициент – tchouvache" lang="cv" hreflang="cv" data-title="Коэффициент" data-language-autonym="Чӑвашла" data-language-local-name="tchouvache" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Cyfernod" title="Cyfernod – gallois" lang="cy" hreflang="cy" data-title="Cyfernod" data-language-autonym="Cymraeg" data-language-local-name="gallois" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Koefficient" title="Koefficient – danois" lang="da" hreflang="da" data-title="Koefficient" data-language-autonym="Dansk" data-language-local-name="danois" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Koeffizient" title="Koeffizient – allemand" lang="de" hreflang="de" data-title="Koeffizient" data-language-autonym="Deutsch" data-language-local-name="allemand" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A3%CF%85%CE%BD%CF%84%CE%B5%CE%BB%CE%B5%CF%83%CF%84%CE%AE%CF%82" title="Συντελεστής – grec" lang="el" hreflang="el" data-title="Συντελεστής" data-language-autonym="Ελληνικά" data-language-local-name="grec" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Coefficient" title="Coefficient – anglais" lang="en" hreflang="en" data-title="Coefficient" data-language-autonym="English" data-language-local-name="anglais" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Koeficiento" title="Koeficiento – espéranto" lang="eo" hreflang="eo" data-title="Koeficiento" data-language-autonym="Esperanto" data-language-local-name="espéranto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Coeficiente_(matem%C3%A1tica)" title="Coeficiente (matemática) – espagnol" lang="es" hreflang="es" data-title="Coeficiente (matemática)" data-language-autonym="Español" data-language-local-name="espagnol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Kordaja" title="Kordaja – estonien" lang="et" hreflang="et" data-title="Kordaja" data-language-autonym="Eesti" data-language-local-name="estonien" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Koefiziente_(matematika)" title="Koefiziente (matematika) – basque" lang="eu" hreflang="eu" data-title="Koefiziente (matematika)" data-language-autonym="Euskara" data-language-local-name="basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B6%D8%B1%DB%8C%D8%A8" title="ضریب – persan" lang="fa" hreflang="fa" data-title="ضریب" data-language-autonym="فارسی" data-language-local-name="persan" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Kerroin" title="Kerroin – finnois" lang="fi" hreflang="fi" data-title="Kerroin" data-language-autonym="Suomi" data-language-local-name="finnois" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Comh%C3%A9ifeacht" title="Comhéifeacht – irlandais" lang="ga" hreflang="ga" data-title="Comhéifeacht" data-language-autonym="Gaeilge" data-language-local-name="irlandais" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Coeficiente" title="Coeficiente – galicien" lang="gl" hreflang="gl" data-title="Coeficiente" data-language-autonym="Galego" data-language-local-name="galicien" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A7%D7%93%D7%9D_(%D7%9E%D7%AA%D7%9E%D7%98%D7%99%D7%A7%D7%94)" title="מקדם (מתמטיקה) – hébreu" lang="he" hreflang="he" data-title="מקדם (מתמטיקה)" data-language-autonym="עברית" data-language-local-name="hébreu" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Koeficijent" title="Koeficijent – croate" lang="hr" hreflang="hr" data-title="Koeficijent" data-language-autonym="Hrvatski" data-language-local-name="croate" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Koyefisyan" title="Koyefisyan – créole haïtien" lang="ht" hreflang="ht" data-title="Koyefisyan" data-language-autonym="Kreyòl ayisyen" data-language-local-name="créole haïtien" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Egy%C3%BCtthat%C3%B3" title="Együttható – hongrois" lang="hu" hreflang="hu" data-title="Együttható" data-language-autonym="Magyar" data-language-local-name="hongrois" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B3%D5%B8%D6%80%D5%AE%D5%A1%D5%AF%D5%AB%D6%81%D5%B6%D5%A5%D6%80" title="Գործակիցներ – arménien" lang="hy" hreflang="hy" data-title="Գործակիցներ" data-language-autonym="Հայերեն" data-language-local-name="arménien" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Koefisien" title="Koefisien – indonésien" lang="id" hreflang="id" data-title="Koefisien" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonésien" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Koeficiento" title="Koeficiento – ido" lang="io" hreflang="io" data-title="Koeficiento" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Stu%C3%B0ull_(st%C3%A6r%C3%B0fr%C3%A6%C3%B0i)" title="Stuðull (stærðfræði) – islandais" lang="is" hreflang="is" data-title="Stuðull (stærðfræði)" data-language-autonym="Íslenska" data-language-local-name="islandais" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Coefficiente" title="Coefficiente – italien" lang="it" hreflang="it" data-title="Coefficiente" data-language-autonym="Italiano" data-language-local-name="italien" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E4%BF%82%E6%95%B0" title="係数 – japonais" lang="ja" hreflang="ja" data-title="係数" data-language-autonym="日本語" data-language-local-name="japonais" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9A%D0%BE%D1%8D%D1%84%D1%84%D0%B8%D1%86%D0%B8%D0%B5%D0%BD%D1%82" title="Коэффициент – kazakh" lang="kk" hreflang="kk" data-title="Коэффициент" data-language-autonym="Қазақша" data-language-local-name="kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B3%84%EC%88%98" title="계수 – coréen" lang="ko" hreflang="ko" data-title="계수" data-language-autonym="한국어" data-language-local-name="coréen" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9A%D0%BE%D1%8D%D1%84%D1%84%D0%B8%D1%86%D0%B8%D0%B5%D0%BD%D1%82" title="Коэффициент – kirghize" lang="ky" hreflang="ky" data-title="Коэффициент" data-language-autonym="Кыргызча" data-language-local-name="kirghize" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%97%E0%B5%81%E0%B4%A3%E0%B4%BE%E0%B4%99%E0%B5%8D%E0%B4%95%E0%B4%82" title="ഗുണാങ്കം – malayalam" lang="ml" hreflang="ml" data-title="ഗുണാങ്കം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Pekali" title="Pekali – malais" lang="ms" hreflang="ms" data-title="Pekali" data-language-autonym="Bahasa Melayu" data-language-local-name="malais" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%97%E0%A5%81%E0%A4%A3%E0%A4%BE%E0%A4%99%E0%A5%8D%E0%A4%95" title="गुणाङ्क – newari" lang="new" hreflang="new" data-title="गुणाङ्क" data-language-autonym="नेपाल भाषा" data-language-local-name="newari" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Co%C3%ABffici%C3%ABnt" title="Coëfficiënt – néerlandais" lang="nl" hreflang="nl" data-title="Coëfficiënt" data-language-autonym="Nederlands" data-language-local-name="néerlandais" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Koeffisient" title="Koeffisient – norvégien nynorsk" lang="nn" hreflang="nn" data-title="Koeffisient" data-language-autonym="Norsk nynorsk" data-language-local-name="norvégien nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Koeffisient" title="Koeffisient – norvégien bokmål" lang="nb" hreflang="nb" data-title="Koeffisient" data-language-autonym="Norsk bokmål" data-language-local-name="norvégien bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%97%E0%A9%81%E0%A8%A3%E0%A8%BE%E0%A8%82%E0%A8%95" title="ਗੁਣਾਂਕ – pendjabi" lang="pa" hreflang="pa" data-title="ਗੁਣਾਂਕ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="pendjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Coeficiente" title="Coeficiente – portugais" lang="pt" hreflang="pt" data-title="Coeficiente" data-language-autonym="Português" data-language-local-name="portugais" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Coeficient" title="Coeficient – roumain" lang="ro" hreflang="ro" data-title="Coeficient" data-language-autonym="Română" data-language-local-name="roumain" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9A%D0%BE%D1%8D%D1%84%D1%84%D0%B8%D1%86%D0%B8%D0%B5%D0%BD%D1%82" title="Коэффициент – russe" lang="ru" hreflang="ru" data-title="Коэффициент" data-language-autonym="Русский" data-language-local-name="russe" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%DA%B3%DA%BB%DA%AA" title="ڳڻڪ – sindhi" lang="sd" hreflang="sd" data-title="ڳڻڪ" data-language-autonym="سنڌي" data-language-local-name="sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Coefficient" title="Coefficient – Simple English" lang="en-simple" hreflang="en-simple" data-title="Coefficient" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Matematick%C3%BD_koeficient" title="Matematický koeficient – slovaque" lang="sk" hreflang="sk" data-title="Matematický koeficient" data-language-autonym="Slovenčina" data-language-local-name="slovaque" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Koeficient" title="Koeficient – slovène" lang="sl" hreflang="sl" data-title="Koeficient" data-language-autonym="Slovenščina" data-language-local-name="slovène" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Koeficienti" title="Koeficienti – albanais" lang="sq" hreflang="sq" data-title="Koeficienti" data-language-autonym="Shqip" data-language-local-name="albanais" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9A%D0%BE%D0%B5%D1%84%D0%B8%D1%86%D0%B8%D1%98%D0%B5%D0%BD%D1%82" title="Коефицијент – serbe" lang="sr" hreflang="sr" data-title="Коефицијент" data-language-autonym="Српски / srpski" data-language-local-name="serbe" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Koefficient" title="Koefficient – suédois" lang="sv" hreflang="sv" data-title="Koefficient" data-language-autonym="Svenska" data-language-local-name="suédois" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AF%86%E0%AE%B4%E0%AF%81" title="கெழு – tamoul" lang="ta" hreflang="ta" data-title="கெழு" data-language-autonym="தமிழ்" data-language-local-name="tamoul" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AA%E0%B8%B1%E0%B8%A1%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AA%E0%B8%B4%E0%B8%97%E0%B8%98%E0%B8%B4%E0%B9%8C" title="สัมประสิทธิ์ – thaï" lang="th" hreflang="th" data-title="สัมประสิทธิ์" data-language-autonym="ไทย" data-language-local-name="thaï" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Koepisyente" title="Koepisyente – tagalog" lang="tl" hreflang="tl" data-title="Koepisyente" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Katsay%C4%B1" title="Katsayı – turc" lang="tr" hreflang="tr" data-title="Katsayı" data-language-autonym="Türkçe" data-language-local-name="turc" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%B9%D8%AF%D8%AF%DB%8C_%D8%B3%D8%B1" title="عددی سر – ourdou" lang="ur" hreflang="ur" data-title="عددی سر" data-language-autonym="اردو" data-language-local-name="ourdou" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Koeffitsiyent" title="Koeffitsiyent – ouzbek" lang="uz" hreflang="uz" data-title="Koeffitsiyent" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="ouzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/H%E1%BB%87_s%E1%BB%91" title="Hệ số – vietnamien" lang="vi" hreflang="vi" data-title="Hệ số" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamien" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/Ol%C3%B9s%E1%BB%8Ddip%C3%BAp%E1%BB%8D%CC%80" title="Olùsọdipúpọ̀ – yoruba" lang="yo" hreflang="yo" data-title="Olùsọdipúpọ̀" data-language-autonym="Yorùbá" data-language-local-name="yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%B3%BB%E6%95%B0" title="系数 – chinois" lang="zh" hreflang="zh" data-title="系数" data-language-autonym="中文" data-language-local-name="chinois" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E4%BF%82%E6%95%B8" title="係數 – cantonais" lang="yue" hreflang="yue" data-title="係數" data-language-autonym="粵語" data-language-local-name="cantonais" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q50700#sitelinks-wikipedia" title="Modifier les liens interlangues" class="wbc-editpage">Modifier les liens</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espaces de noms"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Coefficient" title="Voir le contenu de la page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discussion:Coefficient" rel="discussion" title="Discussion au sujet de cette page de contenu [t]" accesskey="t"><span>Discussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Modifier la variante de langue" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">français</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Affichages"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Coefficient"><span>Lire</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Coefficient&veaction=edit" title="Modifier cette page [v]" accesskey="v"><span>Modifier</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Coefficient&action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Coefficient&action=history" title="Historique des versions de cette page [h]" accesskey="h"><span>Voir l’historique</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Outils" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Outils</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Outils</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">masquer</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Plus d’options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Coefficient"><span>Lire</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Coefficient&veaction=edit" title="Modifier cette page [v]" accesskey="v"><span>Modifier</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Coefficient&action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Coefficient&action=history"><span>Voir l’historique</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Général </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_li%C3%A9es/Coefficient" title="Liste des pages liées qui pointent sur celle-ci [j]" accesskey="j"><span>Pages liées</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Suivi_des_liens/Coefficient" rel="nofollow" title="Liste des modifications récentes des pages appelées par celle-ci [k]" accesskey="k"><span>Suivi des pages liées</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Aide:Importer_un_fichier" title="Téléverser des fichiers [u]" accesskey="u"><span>Téléverser un fichier</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_sp%C3%A9ciales" title="Liste de toutes les pages spéciales [q]" accesskey="q"><span>Pages spéciales</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Coefficient&oldid=220252620" title="Adresse permanente de cette version de cette page"><span>Lien permanent</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Coefficient&action=info" title="Davantage d’informations sur cette page"><span>Informations sur la page</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Citer&page=Coefficient&id=220252620&wpFormIdentifier=titleform" title="Informations sur la manière de citer cette page"><span>Citer cette page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:UrlShortener&url=https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2FCoefficient"><span>Obtenir l'URL raccourcie</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:QrCode&url=https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2FCoefficient"><span>Télécharger le code QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprimer / exporter </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Livre&bookcmd=book_creator&referer=Coefficient"><span>Créer un livre</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:DownloadAsPdf&page=Coefficient&action=show-download-screen"><span>Télécharger comme PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Coefficient&printable=yes" title="Version imprimable de cette page [p]" accesskey="p"><span>Version imprimable</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Dans d’autres projets </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q50700" title="Lien vers l’élément dans le dépôt de données connecté [g]" accesskey="g"><span>Élément Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Apparence"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Apparence</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">masquer</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Un article de Wikipédia, l'encyclopédie libre.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="fr" dir="ltr"><div class="bandeau-container metadata homonymie hatnote"><div class="bandeau-cell bandeau-icone" style="display:table-cell;padding-right:0.5em"><span class="noviewer" typeof="mw:File"><a href="/wiki/Aide:Homonymie" title="Aide:Homonymie"><img alt="Page d’aide sur l’homonymie" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/20px-Logo_disambig.svg.png" decoding="async" width="20" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/30px-Logo_disambig.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/40px-Logo_disambig.svg.png 2x" data-file-width="512" data-file-height="375" /></a></span></div><div class="bandeau-cell" style="display:table-cell;padding-right:0.5em"> <p>Pour l’article homonyme, voir <a href="/wiki/Coefficients_club" title="Coefficients club">Coefficients club</a>. </p> </div></div> <p>Un <b>coefficient</b> est un <a href="/wiki/Facteur_(math%C3%A9matiques)" title="Facteur (mathématiques)">facteur</a> constant, exprimé par un <a href="/wiki/Nombre" title="Nombre">nombre</a> ou par un <a href="/wiki/Symbole" title="Symbole">symbole</a> qui le représente, qui s’applique à une <a href="/wiki/Grandeur" class="mw-disambig" title="Grandeur">grandeur</a> variable (<a href="/wiki/Grandeur_physique" title="Grandeur physique">grandeur physique</a> ou <a href="/wiki/Variable_(math%C3%A9matiques)" title="Variable (mathématiques)">variable mathématique</a>). En <a href="/wiki/Physique" title="Physique">physique</a> par exemple, quand la <a href="/wiki/Vitesse" title="Vitesse">vitesse</a> d’un <a href="/wiki/Corps_(entit%C3%A9)" title="Corps (entité)">solide</a> mobile est <a href="/wiki/Constante" title="Constante">constante</a>, la <a href="/wiki/Distance_(math%C3%A9matiques)" title="Distance (mathématiques)">distance</a> parcourue est proportionnelle à la <a href="/wiki/Temps" title="Temps">durée</a> du parcours, la vitesse étant le <b>coefficient</b> de <a href="/wiki/Proportionnalit%C3%A9" title="Proportionnalité">proportionnalité</a> à appliquer à une durée donnée pour obtenir la distance parcourue pendant ce temps. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Mathématiques"><span id="Math.C3.A9matiques"></span>Mathématiques</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Coefficient&veaction=edit&section=1" title="Modifier la section : Mathématiques" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Coefficient&action=edit&section=1" title="Modifier le code source de la section : Mathématiques"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Dans une <a href="/wiki/Expression_(math%C3%A9matiques)" title="Expression (mathématiques)">expression mathématique</a>, un <b>coefficient</b> est un <a href="/wiki/Nombre" title="Nombre">nombre</a> (ou un <a href="/wiki/Symbole#«.C2.A0Symboles.C2.A0»_scientifiques" title="Symbole">symbole</a> représentant un nombre) qui vient en <a href="/wiki/Facteur_(math%C3%A9matiques)" title="Facteur (mathématiques)">facteur</a> d'une <a href="/wiki/Variable_(math%C3%A9matiques)" title="Variable (mathématiques)">variable</a> ou d'une <a href="/wiki/Fonction_(math%C3%A9matiques)" title="Fonction (mathématiques)">fonction</a> d'une ou plusieurs variables<sup id="cite_ref-DAF_1-0" class="reference"><a href="#cite_note-DAF-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup>. </p> <div class="mw-heading mw-heading3"><h3 id="Coefficient_de_proportionnalité"><span id="Coefficient_de_proportionnalit.C3.A9"></span>Coefficient de proportionnalité</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Coefficient&veaction=edit&section=2" title="Modifier la section : Coefficient de proportionnalité" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Coefficient&action=edit&section=2" title="Modifier le code source de la section : Coefficient de proportionnalité"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Une égalité telle que <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \,{\frac {3}{15}}\,=\,{\frac {4}{20}}\,}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>3</mn> <mn>15</mn> </mfrac> </mrow> <mspace width="thinmathspace" /> <mo>=</mo> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>4</mn> <mn>20</mn> </mfrac> </mrow> <mspace width="thinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \,{\frac {3}{15}}\,=\,{\frac {4}{20}}\,}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4fce0dcac186cf6d5152462520c3acc358f6e0f0" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:10.969ex; height:5.176ex;" alt="{\displaystyle \,{\frac {3}{15}}\,=\,{\frac {4}{20}}\,}"></span> s’appelle une <b><a href="/wiki/Proportionnalit%C3%A9" title="Proportionnalité">proportion</a></b>. Elle peut se traduire par les phrases suivantes : </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {3\,\ et\ 4} \,}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="double-struck">3</mn> <mspace width="thinmathspace" /> <mtext mathvariant="double-struck"> </mtext> <mi mathvariant="double-struck">e</mi> <mi mathvariant="double-struck">t</mi> <mtext mathvariant="double-struck"> </mtext> <mn mathvariant="double-struck">4</mn> </mrow> <mspace width="thinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {3\,\ et\ 4} \,}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/11a10bbacbf84a75fd5f3e29f2e92e223c9b7527" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:6.197ex; height:2.176ex;" alt="{\displaystyle \mathbb {3\,\ et\ 4} \,}"></span> sont proportionnels à <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \,\mathbb {15\,\ et\ 20\ ;} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="double-struck">15</mn> <mspace width="thinmathspace" /> <mtext mathvariant="double-struck"> </mtext> <mi mathvariant="double-struck">e</mi> <mi mathvariant="double-struck">t</mi> <mtext mathvariant="double-struck"> </mtext> <mn mathvariant="double-struck">20</mn> <mtext mathvariant="double-struck"> </mtext> <mo mathvariant="double-struck">;</mo> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \,\mathbb {15\,\ et\ 20\ ;} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/673ef23e3de31afe9b9b9453debcdb20ec55eebe" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:9.75ex; height:2.509ex;" alt="{\displaystyle \,\mathbb {15\,\ et\ 20\ ;} }"></span></dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {4\,\ et\ 20} \,}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="double-struck">4</mn> <mspace width="thinmathspace" /> <mtext mathvariant="double-struck"> </mtext> <mi mathvariant="double-struck">e</mi> <mi mathvariant="double-struck">t</mi> <mtext mathvariant="double-struck"> </mtext> <mn mathvariant="double-struck">20</mn> </mrow> <mspace width="thinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {4\,\ et\ 20} \,}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/d16a7f7635d665e3bc199e4786c15f067454ded9" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:7.36ex; height:2.176ex;" alt="{\displaystyle \mathbb {4\,\ et\ 20} \,}"></span> sont proportionnels à <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \,\mathbb {3\,\ et\ 15} .}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="double-struck">3</mn> <mspace width="thinmathspace" /> <mtext mathvariant="double-struck"> </mtext> <mi mathvariant="double-struck">e</mi> <mi mathvariant="double-struck">t</mi> <mtext mathvariant="double-struck"> </mtext> <mn mathvariant="double-struck">15</mn> </mrow> <mo>.</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \,\mathbb {3\,\ et\ 15} .}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9cce284c38e5b16d2fe16fc2ffe963943b98c2a6" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:8.007ex; height:2.176ex;" alt="{\displaystyle \,\mathbb {3\,\ et\ 15} .}"></span></dd></dl> <p>On obtient le <a href="/wiki/Couple_(math%C3%A9matiques)" title="Couple (mathématiques)">couple</a> (15, 20) en multipliant les termes du couple (3, 4) par le coefficient 5 : <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \,{\frac {15}{3}}\,=\,{\frac {20}{4}}\,=\,5.}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>15</mn> <mn>3</mn> </mfrac> </mrow> <mspace width="thinmathspace" /> <mo>=</mo> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>20</mn> <mn>4</mn> </mfrac> </mrow> <mspace width="thinmathspace" /> <mo>=</mo> <mspace width="thinmathspace" /> <mn>5.</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \,{\frac {15}{3}}\,=\,{\frac {20}{4}}\,=\,5.}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/d07c6b4fbc55b1ba5b16363f96ad804f163978d6" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:16.264ex; height:5.176ex;" alt="{\displaystyle \,{\frac {15}{3}}\,=\,{\frac {20}{4}}\,=\,5.}"></span> </p><p>On obtient le couple (3, 15) en multipliant les termes du couple (4, 20) par le coefficient 0,75 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \,{\frac {3}{4}}\,=\,{\frac {15}{20}}\,=\,0{,}75.\,}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>3</mn> <mn>4</mn> </mfrac> </mrow> <mspace width="thinmathspace" /> <mo>=</mo> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>15</mn> <mn>20</mn> </mfrac> </mrow> <mspace width="thinmathspace" /> <mo>=</mo> <mspace width="thinmathspace" /> <mn>0</mn> <mrow class="MJX-TeXAtom-ORD"> <mo>,</mo> </mrow> <mn>75.</mn> <mspace width="thinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \,{\frac {3}{4}}\,=\,{\frac {15}{20}}\,=\,0{,}75.\,}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/de63503a1b3c266c2ef4817f79d0d76e0944644f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:18.46ex; height:5.176ex;" alt="{\displaystyle \,{\frac {3}{4}}\,=\,{\frac {15}{20}}\,=\,0{,}75.\,}"></span> Coefficient qui peut s’exprimer sans <a href="/wiki/Approximation" title="Approximation">approximation</a> par un <a href="/wiki/Pourcentage" title="Pourcentage">pourcentage</a> : 3 vaut 75 % de 4 et 15 vaut 75 % de 20. </p> <div class="mw-heading mw-heading3"><h3 id="Coefficients_de_polynômes"><span id="Coefficients_de_polyn.C3.B4mes"></span>Coefficients de polynômes</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Coefficient&veaction=edit&section=3" title="Modifier la section : Coefficients de polynômes" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Coefficient&action=edit&section=3" title="Modifier le code source de la section : Coefficients de polynômes"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Dans le <a href="/wiki/Polyn%C3%B4me" title="Polynôme">polynôme</a>  <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a\,x^{2}+b\,x+c}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> <mspace width="thinmathspace" /> <msup> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>+</mo> <mi>b</mi> <mspace width="thinmathspace" /> <mi>x</mi> <mo>+</mo> <mi>c</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a\,x^{2}+b\,x+c}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/55a2e74f405dc9457f864b4d109473b6e3d7c214" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:13.403ex; height:2.843ex;" alt="{\displaystyle a\,x^{2}+b\,x+c}"></span>  où la variable est <i>x</i>, les coefficients sont <i>a</i>, <i>b</i> et <i>c</i>. Plus précisément, <i>a</i> est le coefficient de <i>x</i><sup>2</sup>, <i>b</i> celui de <i>x</i><sup>1</sup> (= <i>x</i>) et <i>c</i> celui de <i>x</i><sup>0</sup> (= 1)<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite_crochet">[</span>a<span class="cite_crochet">]</span></a></sup>. </p><p>Dans le développement de  <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle (a+b)^{n}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">(</mo> <mi>a</mi> <mo>+</mo> <mi>b</mi> <msup> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mi>n</mi> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle (a+b)^{n}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5bdfac89abdc81ad9084425d7401403b48d41e7f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:8.096ex; height:2.843ex;" alt="{\displaystyle (a+b)^{n}}"></span>  par la <a href="/wiki/Formule_du_bin%C3%B4me_de_Newton" title="Formule du binôme de Newton">formule de Newton</a>,  <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle (a+b)^{n}=\sum _{k=0}^{n}C_{n}^{k}\,a^{k}b^{n-k}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">(</mo> <mi>a</mi> <mo>+</mo> <mi>b</mi> <msup> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mi>n</mi> </mrow> </msup> <mo>=</mo> <munderover> <mo>∑</mo> <mrow class="MJX-TeXAtom-ORD"> <mi>k</mi> <mo>=</mo> <mn>0</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mi>n</mi> </mrow> </munderover> <msubsup> <mi>C</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>n</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mi>k</mi> </mrow> </msubsup> <mspace width="thinmathspace" /> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>k</mi> </mrow> </msup> <msup> <mi>b</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>n</mi> <mo>−</mo> <mi>k</mi> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle (a+b)^{n}=\sum _{k=0}^{n}C_{n}^{k}\,a^{k}b^{n-k}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e3ab4d715527fd89f3a734af7631ef9132b53d16" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.171ex; width:24.879ex; height:7.009ex;" alt="{\displaystyle (a+b)^{n}=\sum _{k=0}^{n}C_{n}^{k}\,a^{k}b^{n-k}}"></span>, les <a href="/wiki/Coefficient_binomial" title="Coefficient binomial">coefficients</a> sont les facteurs <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle C_{n}^{k}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msubsup> <mi>C</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>n</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mi>k</mi> </mrow> </msubsup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle C_{n}^{k}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9b088b67f00e4739e57c658ac7dd5913898013ac" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.887ex; height:2.843ex;" alt="{\displaystyle C_{n}^{k}}"></span> placés devant chaque terme <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a^{k}b^{n-k}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>k</mi> </mrow> </msup> <msup> <mi>b</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>n</mi> <mo>−</mo> <mi>k</mi> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a^{k}b^{n-k}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7c99d26b7e0fe0c02ba560dc620b03748d358591" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:6.67ex; height:2.676ex;" alt="{\displaystyle a^{k}b^{n-k}}"></span>. </p><p>Les coefficients sont (ou représentent) le plus souvent des <a href="/wiki/Nombre_r%C3%A9el" title="Nombre réel">nombres réels</a>, mais ces nombres peuvent être <a href="/wiki/Nombre_complexe" title="Nombre complexe">complexes</a>, <a href="/wiki/Nombre_rationnel" title="Nombre rationnel">rationnels</a>, etc. Si ce n'est pas clair d'après le contexte on le précise : coefficients réels, coefficients complexes, coefficients rationnels, etc. </p> <div class="mw-heading mw-heading2"><h2 id="Sciences_expérimentales"><span id="Sciences_exp.C3.A9rimentales"></span>Sciences expérimentales</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Coefficient&veaction=edit&section=4" title="Modifier la section : Sciences expérimentales" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Coefficient&action=edit&section=4" title="Modifier le code source de la section : Sciences expérimentales"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>En <a href="/wiki/Physique" title="Physique">physique</a> et dans d'autres sciences expérimentales, on désigne généralement par <b>coefficient</b> le rapport de deux <a href="/wiki/Grandeur_physique" title="Grandeur physique">grandeurs physiques</a>. La norme ISO 60050 préconise de réserver le terme aux cas où les grandeurs ont une <a href="/wiki/Analyse_dimensionnelle" title="Analyse dimensionnelle">dimension</a> différente et d'employer le terme « facteur » dans le cas contraire<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite_crochet">[</span>2<span class="cite_crochet">]</span></a></sup>. Le terme « module » a parfois le même sens<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup>.</li></ul> <div style="margin:0.5em 2em;"><strong>Exemple :</strong> <div style="padding-left:2em; border-left:1px dotted #999;"> <p>En <a href="/wiki/A%C3%A9rodynamique" title="Aérodynamique">aérodynamique</a>, le <a href="/wiki/Coefficient_de_tra%C3%AEn%C3%A9e" title="Coefficient de traînée">coefficient de traînée</a> est défini par  <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle C_{x}={\frac {F_{x}}{{\frac {1}{2}}\,\rho \,V^{2}\,S}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>C</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>x</mi> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msub> <mi>F</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>x</mi> </mrow> </msub> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </mrow> <mspace width="thinmathspace" /> <mi>ρ</mi> <mspace width="thinmathspace" /> <msup> <mi>V</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mspace width="thinmathspace" /> <mi>S</mi> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle C_{x}={\frac {F_{x}}{{\frac {1}{2}}\,\rho \,V^{2}\,S}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/366c05720624fd0b146c847b541d2ad2ea204244" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.338ex; width:15.261ex; height:6.676ex;" alt="{\displaystyle C_{x}={\frac {F_{x}}{{\frac {1}{2}}\,\rho \,V^{2}\,S}}}"></span>  où <i>F<sub>x</sub></i> désigne la force de frottement ressentie par un mobile, <i>ρ</i> la <a href="/wiki/Masse_volumique" title="Masse volumique">masse volumique</a> de l'air, <i>V</i> la vitesse du mobile par rapport à l'air et <i>S</i> la <a href="/wiki/Surface_de_r%C3%A9f%C3%A9rence" title="Surface de référence">surface de référence</a> du mobile. </p> </div></div> <ul><li>Par extension, on peut aussi appeler <b>coefficient</b> la <a href="/wiki/D%C3%A9riv%C3%A9e" title="Dérivée">dérivée</a> (ou <a href="/wiki/D%C3%A9riv%C3%A9e_partielle" title="Dérivée partielle">dérivée partielle</a>) d'une grandeur physique par rapport à une autre<sup id="cite_ref-DAF_1-1" class="reference"><a href="#cite_note-DAF-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup>.</li></ul> <div style="margin:0.5em 2em;"><strong>Exemple :</strong> <div style="padding-left:2em; border-left:1px dotted #999;"> <p>Le <a href="/wiki/Coefficient_de_dilatation#Coefficient_de_dilatation_isobare" title="Coefficient de dilatation">coefficient de dilatation isobare</a> est défini par <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \alpha ={\frac {1}{V}}\left({\frac {\partial V}{\partial T}}\right)_{P}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>α</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mi>V</mi> </mfrac> </mrow> <msub> <mrow> <mo>(</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi mathvariant="normal">∂</mi> <mi>V</mi> </mrow> <mrow> <mi mathvariant="normal">∂</mi> <mi>T</mi> </mrow> </mfrac> </mrow> <mo>)</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mi>P</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \alpha ={\frac {1}{V}}\left({\frac {\partial V}{\partial T}}\right)_{P}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/834e4e5ecb27c54a5c016cd7da84f5edff33d9d7" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:16.039ex; height:6.176ex;" alt="{\displaystyle \alpha ={\frac {1}{V}}\left({\frac {\partial V}{\partial T}}\right)_{P}}"></span> où <i>V</i> désigne le volume, <i>T</i> la température et <i>P</i> la pression<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite_crochet">[</span>b<span class="cite_crochet">]</span></a></sup>. </p> </div></div> <div class="mw-heading mw-heading2"><h2 id="Salaires">Salaires</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Coefficient&veaction=edit&section=5" title="Modifier la section : Salaires" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Coefficient&action=edit&section=5" title="Modifier le code source de la section : Salaires"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Le coefficient salarial dépend de la classification professionnelle qui doit correspondre aux fonctions ou aux diplômes (il dépend de la <a href="/wiki/Convention_collective" class="mw-redirect" title="Convention collective">convention collective</a>). À chaque coefficient correspond un indice de rémunération. Pour calculer le salaire de base il faut multiplier l'indice de rémunération par la valeur en euros du point d'indice. </p> <div class="mw-heading mw-heading2"><h2 id="Art">Art</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Coefficient&veaction=edit&section=6" title="Modifier la section : Art" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Coefficient&action=edit&section=6" title="Modifier le code source de la section : Art"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Le <a href="/wiki/Coefficient_d%27art" title="Coefficient d'art">coefficient d'art</a> est un <a href="/wiki/Concepts_esth%C3%A9tiques" class="mw-redirect" title="Concepts esthétiques">concept esthétique</a> décrit par <a href="/wiki/Marcel_Duchamp" title="Marcel Duchamp">Marcel Duchamp</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Notes_et_références"><span id="Notes_et_r.C3.A9f.C3.A9rences"></span>Notes et références</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Coefficient&veaction=edit&section=7" title="Modifier la section : Notes et références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Coefficient&action=edit&section=7" title="Modifier le code source de la section : Notes et références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Notes">Notes</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Coefficient&veaction=edit&section=8" title="Modifier la section : Notes" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Coefficient&action=edit&section=8" title="Modifier le code source de la section : Notes"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small lower-alpha" style=""><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-2"><span class="mw-cite-backlink noprint"><a href="#cite_ref-2">↑</a> </span><span class="reference-text">Tout est question de point de vue :  <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a\,x^{2}+b\,x+c}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> <mspace width="thinmathspace" /> <msup> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>+</mo> <mi>b</mi> <mspace width="thinmathspace" /> <mi>x</mi> <mo>+</mo> <mi>c</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a\,x^{2}+b\,x+c}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/55a2e74f405dc9457f864b4d109473b6e3d7c214" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:13.403ex; height:2.843ex;" alt="{\displaystyle a\,x^{2}+b\,x+c}"></span>  peut aussi être considéré comme un polynôme des variables <i>a</i>, <i>b</i> et <i>c</i>, dont les coefficients sont alors <i>x</i><sup>2</sup>, <i>x</i>, 1 et 0 (coefficients de <i>a</i>, <i>b</i>, <i>c</i> et 1).</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink noprint"><a href="#cite_ref-5">↑</a> </span><span class="reference-text">Dans cet exemple il s'agit d'une <a href="/wiki/D%C3%A9riv%C3%A9e_logarithmique" title="Dérivée logarithmique">dérivée logarithmique</a> : <i>α</i> est la dérivée logarithmique du volume par rapport à la <a href="/wiki/Temp%C3%A9rature_thermodynamique" title="Température thermodynamique">température</a>, à <a href="/wiki/Pression" title="Pression">pression</a> constante.</span> </li> </ol></div> </div> <div class="mw-heading mw-heading3"><h3 id="Références"><span id="R.C3.A9f.C3.A9rences"></span>Références</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Coefficient&veaction=edit&section=9" title="Modifier la section : Références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Coefficient&action=edit&section=9" title="Modifier le code source de la section : Références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small decimal" style=""><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-DAF-1"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-DAF_1-0">a</a> et <a href="#cite_ref-DAF_1-1">b</a></sup> </span><span class="reference-text"><a rel="nofollow" class="external text" href="http://portail.atilf.fr/cgi-bin/getobject_?p.3:57./var/artfla/dicos/ACAD_1932/IMAGE/">Dictionnaire de l'Académie Française, <abbr class="abbr" title="Huitième">8<sup>e</sup></abbr> édition (1932-5)</a>.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink noprint"><a href="#cite_ref-3">↑</a> </span><span class="reference-text"><span class="ouvrage" id="TailletVillainFebvre2013"><span class="ouvrage" id="Richard_TailletLoïc_VillainPascal_Febvre2013">Richard <span class="nom_auteur">Taillet</span>, Loïc <span class="nom_auteur">Villain</span> et Pascal <span class="nom_auteur">Febvre</span>, <cite class="italique">Dictionnaire de physique</cite>, Bruxelles, De Boeck, <time>2013</time>, <abbr class="abbr" title="page(s)">p.</abbr> 120 « Coefficient »<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Dictionnaire+de+physique&rft.place=Bruxelles&rft.pub=De+Boeck&rft.aulast=Taillet&rft.aufirst=Richard&rft.au=Villain%2C+Lo%C3%AFc&rft.au=Febvre%2C+Pascal&rft.date=2013&rft.pages=120+%C2%AB+Coefficient+%C2%BB&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ACoefficient"></span></span></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink noprint"><a href="#cite_ref-4">↑</a> </span><span class="reference-text"><span class="ouvrage" id="électrotechnique_internationale"><span class="ouvrage" id="Commission_électrotechnique_internationale"><a href="/wiki/Commission_%C3%A9lectrotechnique_internationale" title="Commission électrotechnique internationale">Commission électrotechnique internationale</a>, « <a rel="nofollow" class="external text" href="http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=112-03-03"><cite style="font-style:normal;">ISO 60050 « Vocabulaire électrotechnique international » 112-03-03 « Coefficient »</cite></a> », sur <span class="italique">electropedia.org</span></span></span>.</span> </li> </ol></div> </div> <div class="mw-heading mw-heading2"><h2 id="Voir_aussi">Voir aussi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Coefficient&veaction=edit&section=10" title="Modifier la section : Voir aussi" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Coefficient&action=edit&section=10" title="Modifier le code source de la section : Voir aussi"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r194021218">.mw-parser-output .autres-projets>.titre{text-align:center;margin:0.2em 0}.mw-parser-output .autres-projets>ul{margin:0;padding:0}.mw-parser-output .autres-projets>ul>li{list-style:none;margin:0.2em 0;text-indent:0;padding-left:24px;min-height:20px;text-align:left;display:block}.mw-parser-output .autres-projets>ul>li>a{font-style:italic}@media(max-width:720px){.mw-parser-output .autres-projets{float:none}}</style><div class="autres-projets boite-grise boite-a-droite noprint js-interprojets"> <p class="titre">Sur les autres projets Wikimedia :</p> <ul class="noarchive plainlinks"> <li class="wiktionary"><a href="https://fr.wiktionary.org/wiki/coefficient" class="extiw" title="wikt:coefficient">coefficient</a>, <span class="nowrap">sur le <span class="project">Wiktionnaire</span></span></li> </ul> </div> <div class="mw-heading mw-heading3"><h3 id="Articles_connexes">Articles connexes</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Coefficient&veaction=edit&section=11" title="Modifier la section : Articles connexes" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a 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