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<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">Zu Chongzhi</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 34 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-34" 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">34 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/%D8%B2%D9%88_%D8%AA%D8%B4%D9%88%D9%86%D8%BA%D8%B2%D9%8A" title="زو تشونغزي – arabe" lang="ar" hreflang="ar" data-title="زو تشونغزي" data-language-autonym="العربية" data-language-local-name="arabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%B2%D9%88_%D8%AA%D8%B4%D9%88%D9%86%D8%AC%D8%B2%D9%89" title="زو تشونجزى – arabe égyptien" lang="arz" hreflang="arz" data-title="زو تشونجزى" data-language-autonym="مصرى" data-language-local-name="arabe égyptien" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A6%D0%B7%D1%83_%D0%A7%D1%83%D0%BD%D1%87%D0%B6%D1%8B" title="Цзу Чунчжы – biélorusse" lang="be" hreflang="be" data-title="Цзу Чунчжы" data-language-autonym="Беларуская" data-language-local-name="biélorusse" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Zu_Chongzhi" title="Zu Chongzhi – catalan" lang="ca" hreflang="ca" data-title="Zu Chongzhi" data-language-autonym="Català" data-language-local-name="catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Cu_%C4%8Cchung-%C4%8D%E2%80%99" title="Cu Čchung-č’ – tchèque" lang="cs" hreflang="cs" data-title="Cu Čchung-č’" data-language-autonym="Čeština" data-language-local-name="tchèque" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Zu_Chongzhi" title="Zu Chongzhi – danois" lang="da" hreflang="da" data-title="Zu Chongzhi" 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/Zu_Chongzhi" title="Zu Chongzhi – allemand" lang="de" hreflang="de" data-title="Zu Chongzhi" data-language-autonym="Deutsch" data-language-local-name="allemand" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Zu_Chongzhi" title="Zu Chongzhi – anglais" lang="en" hreflang="en" data-title="Zu Chongzhi" 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/Zu_%C4%88ong%C4%B5i" title="Zu Ĉongĵi – espéranto" lang="eo" hreflang="eo" data-title="Zu Ĉongĵi" 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/Zu_Chongzhi" title="Zu Chongzhi – espagnol" lang="es" hreflang="es" data-title="Zu Chongzhi" data-language-autonym="Español" data-language-local-name="espagnol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Zu_Chongzhi" title="Zu Chongzhi – basque" lang="eu" hreflang="eu" data-title="Zu Chongzhi" 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%AA%D8%B3%D9%88_%DA%86%D9%88%D9%86%DA%AF%DA%86%DB%8C" title="تسو چونگچی – persan" lang="fa" hreflang="fa" data-title="تسو چونگچی" 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/Zu_Chongzhi" title="Zu Chongzhi – finnois" lang="fi" hreflang="fi" data-title="Zu Chongzhi" data-language-autonym="Suomi" data-language-local-name="finnois" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Cu_Csung-cse" title="Cu Csung-cse – hongrois" lang="hu" hreflang="hu" data-title="Cu Csung-cse" data-language-autonym="Magyar" data-language-local-name="hongrois" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Zu_Chongzhi" title="Zu Chongzhi – italien" lang="it" hreflang="it" data-title="Zu Chongzhi" 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/%E7%A5%96%E6%B2%96%E4%B9%8B" title="祖沖之 – japonais" lang="ja" hreflang="ja" data-title="祖沖之" 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-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A1%B0%EC%B6%A9%EC%A7%80" title="조충지 – coréen" lang="ko" hreflang="ko" data-title="조충지" data-language-autonym="한국어" data-language-local-name="coréen" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Zu_Chongzhi" title="Zu Chongzhi – cornique" lang="kw" hreflang="kw" data-title="Zu Chongzhi" data-language-autonym="Kernowek" data-language-local-name="cornique" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Zu_Chongzhi" title="Zu Chongzhi – néerlandais" lang="nl" hreflang="nl" data-title="Zu Chongzhi" data-language-autonym="Nederlands" data-language-local-name="néerlandais" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Zu_Chongzhi" title="Zu Chongzhi – norvégien bokmål" lang="nb" hreflang="nb" data-title="Zu Chongzhi" 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-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Zu_Chongzhi" title="Zu Chongzhi – piémontais" lang="pms" hreflang="pms" data-title="Zu Chongzhi" data-language-autonym="Piemontèis" data-language-local-name="piémontais" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Tsu_Ch%27ung_Chih" title="Tsu Ch'ung Chih – portugais" lang="pt" hreflang="pt" data-title="Tsu Ch'ung Chih" data-language-autonym="Português" data-language-local-name="portugais" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A6%D0%B7%D1%83_%D0%A7%D1%83%D0%BD%D1%87%D0%B6%D0%B8" title="Цзу Чунчжи – russe" lang="ru" hreflang="ru" data-title="Цзу Чунчжи" data-language-autonym="Русский" data-language-local-name="russe" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Zu_Chongzhi" title="Zu Chongzhi – serbo-croate" lang="sh" hreflang="sh" data-title="Zu Chongzhi" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croate" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Zu_Chongzhi" title="Zu Chongzhi – Simple English" lang="en-simple" hreflang="en-simple" data-title="Zu Chongzhi" 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-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Dzu_%C4%8Congd%C5%BEi" title="Dzu Čongdži – slovène" lang="sl" hreflang="sl" data-title="Dzu Čongdži" data-language-autonym="Slovenščina" data-language-local-name="slovène" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Zu_Chongzhi" title="Zu Chongzhi – tagalog" lang="tl" hreflang="tl" data-title="Zu Chongzhi" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A6%D0%B7%D1%83_%D0%A7%D1%83%D0%BD%D1%87%D0%B6%D0%B8" title="Цзу Чунчжи – ukrainien" lang="uk" hreflang="uk" data-title="Цзу Чунчжи" data-language-autonym="Українська" data-language-local-name="ukrainien" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/T%E1%BB%95_Xung_Chi" title="Tổ Xung Chi – vietnamien" lang="vi" hreflang="vi" data-title="Tổ Xung Chi" 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-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Zu_Chongzhi" title="Zu Chongzhi – waray" lang="war" hreflang="war" data-title="Zu Chongzhi" data-language-autonym="Winaray" data-language-local-name="waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-za mw-list-item"><a href="https://za.wikipedia.org/wiki/Cuj_Cungciz" title="Cuj Cungciz – zhuang" lang="za" hreflang="za" data-title="Cuj Cungciz" data-language-autonym="Vahcuengh" data-language-local-name="zhuang" class="interlanguage-link-target"><span>Vahcuengh</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%A5%96%E5%86%B2%E4%B9%8B" title="祖冲之 – chinois" lang="zh" hreflang="zh" data-title="祖冲之" 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-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E7%A5%96%E6%B2%96%E4%B9%8B" title="祖沖之 – chinois littéraire" lang="lzh" hreflang="lzh" data-title="祖沖之" data-language-autonym="文言" data-language-local-name="chinois littéraire" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-zh-yue 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href="/wiki/Fichier:%E6%98%86%E5%B1%B1%E4%BA%AD%E6%9E%97%E5%85%AC%E5%9B%AD%E7%A5%96%E5%86%B2%E4%B9%8B%E5%83%8F.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/07/%E6%98%86%E5%B1%B1%E4%BA%AD%E6%9E%97%E5%85%AC%E5%9B%AD%E7%A5%96%E5%86%B2%E4%B9%8B%E5%83%8F.jpg/260px-%E6%98%86%E5%B1%B1%E4%BA%AD%E6%9E%97%E5%85%AC%E5%9B%AD%E7%A5%96%E5%86%B2%E4%B9%8B%E5%83%8F.jpg" decoding="async" width="260" height="146" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/07/%E6%98%86%E5%B1%B1%E4%BA%AD%E6%9E%97%E5%85%AC%E5%9B%AD%E7%A5%96%E5%86%B2%E4%B9%8B%E5%83%8F.jpg/390px-%E6%98%86%E5%B1%B1%E4%BA%AD%E6%9E%97%E5%85%AC%E5%9B%AD%E7%A5%96%E5%86%B2%E4%B9%8B%E5%83%8F.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/07/%E6%98%86%E5%B1%B1%E4%BA%AD%E6%9E%97%E5%85%AC%E5%9B%AD%E7%A5%96%E5%86%B2%E4%B9%8B%E5%83%8F.jpg/520px-%E6%98%86%E5%B1%B1%E4%BA%AD%E6%9E%97%E5%85%AC%E5%9B%AD%E7%A5%96%E5%86%B2%E4%B9%8B%E5%83%8F.jpg 2x" data-file-width="2000" data-file-height="1125" /></a></span></div><div class="legend">Statue de Zu Chongzi au parc Tinglin à Kunshan.</div></div><table><caption style="color:#000000;text-align:center;background-color:#EEEEFF">Biographie</caption><tbody><tr class=""><th scope="row">Naissance</th><td class=""><div> <span class="wd_p569"><time datetime="0429" data-sort-value="0429" class="date-lien"><a href="/wiki/429" title="429">429</a></time><span class="noprint wikidata-linkback skin-invert"><span class="mw-valign-baseline noviewer" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q227444?uselang=fr#P569" title="Voir et modifier les données sur Wikidata"><img alt="Voir et modifier les données sur Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></span><br /><span class="wd_p19"><a href="/wiki/Jianye" title="Jianye">Jiankang</a> (<a href="/wiki/Chine_imp%C3%A9riale" title="Chine impériale">Chine impériale</a>)<span class="noprint wikidata-linkback skin-invert"><span class="mw-valign-baseline noviewer" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q227444?uselang=fr#P19" title="Voir et modifier les données sur Wikidata"><img alt="Voir et modifier les données sur Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></span></div></td></tr><tr class=""><th scope="row">Décès</th><td class=""><div> <span class="wd_p570"><time datetime="0501" data-sort-value="0501" class="date-lien"><a href="/wiki/501" title="501">501</a></time><span class="noprint wikidata-linkback skin-invert"><span class="mw-valign-baseline noviewer" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q227444?uselang=fr#P570" title="Voir et modifier les données sur Wikidata"><img alt="Voir et modifier les données sur Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></span><br /><span class="wd_p20">Chine <small>(<a href="https://en.wikipedia.org/wiki/China_(region)" class="extiw" title="en:China (region)"><span class="indicateur-langue" title="Article sur Wikipédia en anglais">en</span></a>)</small><span class="noprint wikidata-linkback skin-invert"><span class="mw-valign-baseline noviewer" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q227444?uselang=fr#P20" title="Voir et modifier les données sur Wikidata"><img alt="Voir et modifier les données sur Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></span></div></td></tr><tr class=""><th scope="row">Nom dans la langue maternelle</th><td class=""><div> <span class="wd_p1559"><span class="lang-zh" lang="zh">祖冲之</span><span class="noprint wikidata-linkback skin-invert"><span class="mw-valign-baseline noviewer" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q227444?uselang=fr#P1559" title="Voir et modifier les données sur Wikidata"><img alt="Voir et modifier les données sur Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></span></div></td></tr><tr class=""><th scope="row">Activités</th><td class=""><div> <span class="wd_p106"><a href="/wiki/Math%C3%A9maticien" title="Mathématicien">Mathématicien</a>, <a href="/wiki/Astronome" title="Astronome">astronome</a><span class="noprint wikidata-linkback skin-invert"><span class="mw-valign-baseline noviewer" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q227444?uselang=fr#P106" title="Voir et modifier les données sur Wikidata"><img alt="Voir et modifier les données sur Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></span></div></td></tr><tr class=""><th scope="row">Enfant</th><td class=""><div> <span class="wd_p40"><a href="/wiki/Zu_Gengzhi" title="Zu Gengzhi">Zu Gengzhi</a><span class="noprint wikidata-linkback skin-invert"><span class="mw-valign-baseline noviewer" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q227444?uselang=fr#P40" title="Voir et modifier les données sur Wikidata"><img alt="Voir et modifier les données sur Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></span></div></td></tr></tbody></table><p class="navbar noprint bordered navigation-not-searchable" style="border-top:1px solid #EEEEFF"><span class="plainlinks" style="text-align:left"><a class="external text" href="https://fr.wikipedia.org/w/index.php?title=Zu_Chongzhi&veaction=edit&section=0">modifier</a> - <a class="external text" href="https://fr.wikipedia.org/w/index.php?title=Zu_Chongzhi&action=edit&section=0">modifier le code</a> - <a href="https://www.wikidata.org/wiki/Q227444" class="extiw" title="d:Q227444">modifier Wikidata</a></span><span style="text-align:right"><span typeof="mw:File"><a href="/wiki/Mod%C3%A8le:Infobox_Biographie2" title="Documentation du modèle"><img alt="Documentation du modèle" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/Info_Simple.svg/12px-Info_Simple.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/Info_Simple.svg/18px-Info_Simple.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/38/Info_Simple.svg/24px-Info_Simple.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span></span></p></div> <p><b>Zu Chongzhi</b> (<span class="lang-zh" lang="zh">祖冲之</span>, <a href="/wiki/Hanyu_pinyin" title="Hanyu pinyin">hanyu pinyin</a> <span class="lang-zh-latn-pinyin" lang="zh-latn-pinyin">Zǔ Chōngzhī</span>, <a href="/wiki/EFEO" class="mw-redirect" title="EFEO">EFEO</a> <span class="lang-zh-latn" lang="zh-latn">Tsou Tch'ong-tche</span>) (<a href="/wiki/429" title="429">429</a>-<a href="/wiki/500" title="500">500</a>) est un <a href="/wiki/Math%C3%A9maticien" title="Mathématicien">mathématicien</a> <a href="/wiki/Chine" title="Chine">chinois</a> et <a href="/wiki/Astronome" title="Astronome">astronome</a> pendant les dynasties <a href="/wiki/Dynastie_Song_du_Sud_(420-479)" title="Dynastie Song du Sud (420-479)">Song du Sud</a> et <a href="/wiki/Dynastie_Qi_du_Sud" title="Dynastie Qi du Sud">Qi du Sud</a> (<a href="/wiki/Dynasties_du_Nord_et_du_Sud" class="mw-redirect" title="Dynasties du Nord et du Sud">Dynasties du Sud</a>). </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Biographie">Biographie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Zu_Chongzhi&veaction=edit&section=1" title="Modifier la section : Biographie" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Zu_Chongzhi&action=edit&section=1" title="Modifier le code source de la section : Biographie"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ses ancêtres étaient acclamés dans le district Qiu (aujourd'hui dans le Laiyuan, province de <a href="/wiki/Hebei" title="Hebei">Hebei</a>). Pour fuir les ravages de la guerre, le grand-père de Zu Chongzhi, Zu Chang, déménagea du <a href="/wiki/Hebei" title="Hebei">Hebei</a>, dans le nord de la <a href="/wiki/Chine" title="Chine">Chine</a>, vers le sud du fleuve <a href="/wiki/Yangzi" class="mw-redirect" title="Yangzi">Yangzi</a>, faisant partie du mouvement massif de population pendant la <a href="/wiki/Dynastie_Jin_(265-420)" title="Dynastie Jin (265-420)">dynastie Jin</a>. Zu Chang, un moment, prit le poste de « ministre des Grands Travaux » (Dàjiàngqīn) avec la <a href="/wiki/Dynastie_Song_du_Sud_(420-479)" title="Dynastie Song du Sud (420-479)">dynastie Song du Sud</a> et fut chargé des projets de construction du gouvernement. Le père de Zu Chongzhi servit aussi à la cour et était grandement respecté pour son érudition. </p><p>Zu Chongzhi est né en <a href="/wiki/429" title="429">429</a> à Jiankang (aujourd'hui <a href="/wiki/Nankin" title="Nankin">Nankin</a>). Sa famille a historiquement été impliquée dans la recherche astronomique, et ainsi, lorsqu'il était enfant, Zu Chongzhi fut exposé aux <a href="/wiki/Math%C3%A9matiques" title="Mathématiques">mathématiques</a> et à l'<a href="/wiki/Astronomie" title="Astronomie">astronomie</a>. Lorsqu'il était encore un enfant, son talent lui donna une grande réputation. Lorsque l'empereur <a href="/w/index.php?title=Xiaowudi_(420-479)&action=edit&redlink=1" class="new" title="Xiaowudi (420-479) (page inexistante)">Xiaowudi</a> <a href="https://en.wikipedia.org/wiki/Emperor_Xiaowu_of_Song" class="extiw" title="en:Emperor Xiaowu of Song"><span class="indicateur-langue" title="Article en anglais : « Emperor Xiaowu of Song »">(en)</span></a> l'entendit, il fut envoyé à une académie, la « Huálín Xuéshěng », pour poursuivre la recherche. En <a href="/wiki/461" title="461">461</a> à Nanxu (aujourd'hui <a href="/wiki/Zhenjiang" title="Zhenjiang">Zhenjiang</a> dans le <a href="/wiki/Jiangsu" title="Jiangsu">Jiangsu</a>) il fut engagé pour travailler au bureau du gouverneur local. </p> <div class="mw-heading mw-heading2"><h2 id="Résultats_mathématiques"><span id="R.C3.A9sultats_math.C3.A9matiques"></span>Résultats mathématiques</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Zu_Chongzhi&veaction=edit&section=2" title="Modifier la section : Résultats mathématiques" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Zu_Chongzhi&action=edit&section=2" title="Modifier le code source de la section : Résultats mathématiques"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ses performances incluent le <a href="/w/index.php?title=Calendrier_Daming&action=edit&redlink=1" class="new" title="Calendrier Daming (page inexistante)">calendrier Daming</a> (ou calendrier <i>Ta-ming</i>, i.e. « calendrier de la grande clarté »<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup>) introduit en <a href="/wiki/465" title="465">465</a> et en dériva deux approximations de <a href="/wiki/Pi" title="Pi">π</a>, <b>355/113</b> (密率, Milu) et <b>22/7</b> (约率, Yuelu). </p><p>Avec son fils <a href="/wiki/Zu_Gengzhi" title="Zu Gengzhi">Zu Gengzhi</a>, également mathématicien, il a découvert le <a href="/wiki/M%C3%A9thode_des_indivisibles" title="Méthode des indivisibles">principe de Cavalieri</a> plus de 1 000 ans avant ce dernier. Certains mathématiciens l'appellent donc « le principe Zu »<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite_crochet">[</span>2<span class="cite_crochet">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Références"><span id="R.C3.A9f.C3.A9rences"></span>Références</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Zu_Chongzhi&veaction=edit&section=3" 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=Zu_Chongzhi&action=edit&section=3" 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-1"><span class="mw-cite-backlink noprint"><a href="#cite_ref-1">↑</a> </span><span class="reference-text"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <a rel="nofollow" class="external text" href="http://www.springerreference.com/docs/html/chapterdbid/78206.html">Zu Chongzhi</a>, sur <a rel="nofollow" class="external text" href="http://www.springerreference.com/docs/index.html">SpringerReference</a></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink noprint"><a href="#cite_ref-2">↑</a> </span><span class="reference-text"><a rel="nofollow" class="external text" href="http://fr.chinabroadcast.cn/211/2006/09/06/183@109862.htm">Zu Chongzhi (429-500) et le nombre π</a> de <a href="/wiki/Radio_Chine_Internationale" class="mw-redirect" title="Radio Chine Internationale">Radio Chine Internationale</a>.</span> </li> </ol></div> </div> <div class="mw-heading mw-heading2"><h2 id="Liens_externes">Liens externes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Zu_Chongzhi&veaction=edit&section=4" title="Modifier la section : Liens externes" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Zu_Chongzhi&action=edit&section=4" title="Modifier le code source de la section : Liens externes"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><div class="liste-horizontale"><span class="wd_identifiers"><a href="/wiki/Autorit%C3%A9_(sciences_de_l%27information)" title="Autorité (sciences de l'information)">Notices d'autorité</a><span class="noprint wikidata-linkback skin-invert"><span class="mw-valign-baseline noviewer" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q227444?uselang=fr#identifiers" title="Voir et modifier les données sur Wikidata"><img alt="Voir et modifier les données sur Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></span> : <ul><li><span class="nowrap uid noarchive"><a rel="nofollow" class="external text" href="http://viaf.org/viaf/292073393">VIAF</a></span></li> <li><span class="nowrap uid noarchive"><a rel="nofollow" class="external text" href="https://isni.org/isni/0000000397084919">ISNI</a></span></li> <li><span class="nowrap uid noarchive"><a rel="nofollow" class="external text" href="http://www.idref.fr/242983200">IdRef</a></span></li> <li><span class="nowrap uid noarchive"><a rel="nofollow" class="external text" href="http://id.loc.gov/authorities/no2022103150">LCCN</a></span></li> <li><span class="nowrap uid noarchive"><a rel="nofollow" class="external text" href="http://data.bibliotheken.nl/id/thes/p183165586">Pays-Bas</a></span></li> <li><span class="nowrap uid noarchive"><a rel="nofollow" class="external text" href="https://lod.nl.go.kr/resource/KAC201405580">Corée du Sud</a></span></li> <li><span class="nowrap uid noarchive"><a rel="nofollow" class="external text" href="http://www.worldcat.org/identities/lccn-no2022-103150">WorldCat</a></span></li> </ul></div></li> <li><div class="liste-horizontale"><span class="wd_identifiers">Notices dans des dictionnaires ou encyclopédies généralistes<span class="noprint wikidata-linkback skin-invert"><span class="mw-valign-baseline noviewer" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q227444?uselang=fr#identifiers" title="Voir et modifier les données sur Wikidata"><img alt="Voir et modifier les données sur Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></span> : <ul><li><a rel="nofollow" class="external text" href="https://www.britannica.com/biography/Zu-Chongzhi"><i>Britannica</i></a></li> <li><a rel="nofollow" class="external text" href="http://www.enciklopedija.hr/Natuknica.aspx?ID=67502"><i>Hrvatska Enciklopedija</i></a></li> </ul></div></li> <li><span class="liste-horizontale noarchive"><span class="wd_identifiers">Ressource relative à l'astronomie<span class="noprint wikidata-linkback skin-invert"><span class="mw-valign-baseline noviewer" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q227444?uselang=fr#identifiers" title="Voir et modifier les données sur Wikidata"><img alt="Voir et modifier les données sur Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></span> : <ul><li><a rel="nofollow" class="external text" href="https://doi.org/10.1007/978-0-387-30400-7_1531"><span class="lang-en" lang="en">Biographical Encyclopedia of Astronomers</span></a></li> </ul></span></li></ul> <ul id="bandeau-portail" class="bandeau-portail"><li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer skin-invert-image" 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