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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">Mostrar ou agochar a táboa de contidos</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">Excentricidade</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="Ir a un artigo noutra lingua. Dispoñible en 55 linguas" > <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-55" 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">55 linguas</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Eksentrisiteit_(wiskunde)" title="Eksentrisiteit (wiskunde) – afrikaans" lang="af" hreflang="af" data-title="Eksentrisiteit (wiskunde)" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Exzentrizit%C3%A4t_(Mathematik)" title="Exzentrizität (Mathematik) – alemán suízo" lang="gsw" hreflang="gsw" data-title="Exzentrizität (Mathematik)" data-language-autonym="Alemannisch" data-language-local-name="alemán suízo" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A7%D8%AE%D8%AA%D9%84%D8%A7%D9%81_%D9%85%D8%B1%D9%83%D8%B2%D9%8A" title="اختلاف مركزي – árabe" lang="ar" hreflang="ar" data-title="اختلاف مركزي" data-language-autonym="العربية" data-language-local-name="árabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Escentricid%C3%A1_(matem%C3%A1tica)" title="Escentricidá (matemática) – asturiano" lang="ast" hreflang="ast" data-title="Escentricidá (matemática)" data-language-autonym="Asturianu" data-language-local-name="asturiano" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%AD%D0%BA%D1%81%D1%86%D1%8D%D0%BD%D1%82%D1%80%D1%8B%D1%81%D1%96%D1%82%D1%8D%D1%82" title="Эксцэнтрысітэт – belaruso" lang="be" hreflang="be" data-title="Эксцэнтрысітэт" data-language-autonym="Беларуская" data-language-local-name="belaruso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%AD%D0%BA%D1%81%D1%86%D1%8D%D0%BD%D1%82%D1%80%D1%8B%D1%81%D1%8B%D1%82%D1%8D%D1%82" title="Эксцэнтрысытэт – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Эксцэнтрысытэт" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%95%D0%BA%D1%81%D1%86%D0%B5%D0%BD%D1%82%D1%80%D0%B8%D1%86%D0%B8%D1%82%D0%B5%D1%82_(%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0)" title="Ексцентрицитет (математика) – búlgaro" lang="bg" hreflang="bg" data-title="Ексцентрицитет (математика)" data-language-autonym="Български" data-language-local-name="búlgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Ekscentricitet" title="Ekscentricitet – bosníaco" lang="bs" hreflang="bs" data-title="Ekscentricitet" data-language-autonym="Bosanski" data-language-local-name="bosníaco" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Excentricitat" title="Excentricitat – catalán" lang="ca" hreflang="ca" data-title="Excentricitat" data-language-autonym="Català" data-language-local-name="catalán" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AC%DB%8C%D8%A7%D9%88%D8%A7%D8%B2%DB%8C%DB%8C_%DA%86%DB%95%D9%82%DB%8C_(%D8%A6%DB%95%D9%86%D8%AF%D8%A7%D8%B2%DB%95)" title="جیاوازیی چەقی (ئەندازە) – kurdo central" lang="ckb" hreflang="ckb" data-title="جیاوازیی چەقی (ئەندازە)" data-language-autonym="کوردی" data-language-local-name="kurdo central" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/V%C3%BDst%C5%99ednost_ku%C5%BEelose%C4%8Dky" title="Výstřednost kuželosečky – checo" lang="cs" hreflang="cs" data-title="Výstřednost kuželosečky" data-language-autonym="Čeština" data-language-local-name="checo" 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/Excentricitet_(matematik)" title="Excentricitet (matematik) – dinamarqués" lang="da" hreflang="da" data-title="Excentricitet (matematik)" data-language-autonym="Dansk" data-language-local-name="dinamarqués" 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/Exzentrizit%C3%A4t_(Mathematik)" title="Exzentrizität (Mathematik) – alemán" lang="de" hreflang="de" data-title="Exzentrizität (Mathematik)" data-language-autonym="Deutsch" data-language-local-name="alemán" 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%95%CE%BA%CE%BA%CE%B5%CE%BD%CF%84%CF%81%CF%8C%CF%84%CE%B7%CF%84%CE%B1" title="Εκκεντρότητα – grego" lang="el" hreflang="el" data-title="Εκκεντρότητα" data-language-autonym="Ελληνικά" data-language-local-name="grego" 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/Eccentricity_(mathematics)" title="Eccentricity (mathematics) – inglés" lang="en" hreflang="en" data-title="Eccentricity (mathematics)" data-language-autonym="English" data-language-local-name="inglés" 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/Discentreco" title="Discentreco – esperanto" lang="eo" hreflang="eo" data-title="Discentreco" data-language-autonym="Esperanto" data-language-local-name="esperanto" 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/Excentricidad_(matem%C3%A1tica)" title="Excentricidad (matemática) – español" lang="es" hreflang="es" data-title="Excentricidad (matemática)" data-language-autonym="Español" data-language-local-name="español" 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/Ekstsentrilisus" title="Ekstsentrilisus – estoniano" lang="et" hreflang="et" data-title="Ekstsentrilisus" data-language-autonym="Eesti" data-language-local-name="estoniano" 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/Eszentrikotasun" title="Eszentrikotasun – éuscaro" lang="eu" hreflang="eu" data-title="Eszentrikotasun" data-language-autonym="Euskara" data-language-local-name="éuscaro" 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%A8%D8%B1%D9%88%D9%86%E2%80%8C%D9%85%D8%B1%DA%A9%D8%B2%DB%8C_(%D9%87%D9%86%D8%AF%D8%B3%D9%87)" title="برون‌مرکزی (هندسه) – persa" lang="fa" hreflang="fa" data-title="برون‌مرکزی (هندسه)" data-language-autonym="فارسی" data-language-local-name="persa" 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/Eksentrisyys" title="Eksentrisyys – finés" lang="fi" hreflang="fi" data-title="Eksentrisyys" data-language-autonym="Suomi" data-language-local-name="finés" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Excentricit%C3%A9_(math%C3%A9matiques)" title="Excentricité (mathématiques) – francés" lang="fr" hreflang="fr" data-title="Excentricité (mathématiques)" data-language-autonym="Français" data-language-local-name="francés" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%90%D7%A7%D7%A1%D7%A6%D7%A0%D7%98%D7%A8%D7%99%D7%95%D7%AA_(%D7%9E%D7%AA%D7%9E%D7%98%D7%99%D7%A7%D7%94)" title="אקסצנטריות (מתמטיקה) – hebreo" lang="he" hreflang="he" data-title="אקסצנטריות (מתמטיקה)" data-language-autonym="עברית" data-language-local-name="hebreo" 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/Ekscentricitet" title="Ekscentricitet – croata" lang="hr" hreflang="hr" data-title="Ekscentricitet" data-language-autonym="Hrvatski" data-language-local-name="croata" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Excentricit%C3%A1s_(geometria)" title="Excentricitás (geometria) – húngaro" lang="hu" hreflang="hu" data-title="Excentricitás (geometria)" data-language-autonym="Magyar" data-language-local-name="húngaro" 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%B7%D6%84%D5%BD%D6%81%D5%A5%D5%B6%D5%BF%D6%80%D5%AB%D5%BD%D5%AB%D5%BF%D5%A5%D5%BF" title="Էքսցենտրիսիտետ – armenio" lang="hy" hreflang="hy" data-title="Էքսցենտրիսիտետ" data-language-autonym="Հայերեն" data-language-local-name="armenio" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Eccentricit%C3%A0_(matematica)" title="Eccentricità (matematica) – italiano" lang="it" hreflang="it" data-title="Eccentricità (matematica)" data-language-autonym="Italiano" data-language-local-name="italiano" 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/%E9%9B%A2%E5%BF%83%E7%8E%87" title="離心率 – xaponés" lang="ja" hreflang="ja" data-title="離心率" data-language-autonym="日本語" data-language-local-name="xaponés" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%94%E1%83%A5%E1%83%A1%E1%83%AA%E1%83%94%E1%83%9C%E1%83%A2%E1%83%A0%E1%83%98%E1%83%A1%E1%83%98%E1%83%A2%E1%83%94%E1%83%A2%E1%83%98" title="ექსცენტრისიტეტი – xeorxiano" lang="ka" hreflang="ka" data-title="ექსცენტრისიტეტი" data-language-autonym="ქართული" data-language-local-name="xeorxiano" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Allunmas" title="Allunmas – cabila" lang="kab" hreflang="kab" data-title="Allunmas" data-language-autonym="Taqbaylit" data-language-local-name="cabila" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9D%B4%EC%8B%AC%EB%A5%A0" title="이심률 – coreano" lang="ko" hreflang="ko" data-title="이심률" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Eccentricitas" title="Eccentricitas – latín" lang="la" hreflang="la" data-title="Eccentricitas" data-language-autonym="Latina" data-language-local-name="latín" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Exzentrizit%C3%A9it_(Mathematik)" title="Exzentrizitéit (Mathematik) – luxemburgués" lang="lb" hreflang="lb" data-title="Exzentrizitéit (Mathematik)" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgués" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Ekscentricitetas" title="Ekscentricitetas – lituano" lang="lt" hreflang="lt" data-title="Ekscentricitetas" data-language-autonym="Lietuvių" data-language-local-name="lituano" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B5%E0%B4%BF%E0%B4%95%E0%B5%87%E0%B4%A8%E0%B5%8D%E0%B4%A6%E0%B5%8D%E0%B4%B0%E0%B4%A4" title="വികേന്ദ്രത – malabar" lang="ml" hreflang="ml" data-title="വികേന്ദ്രത" data-language-autonym="മലയാളം" data-language-local-name="malabar" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Exzentrizit%C3%A4t" title="Exzentrizität – baixo alemán" lang="nds" hreflang="nds" data-title="Exzentrizität" data-language-autonym="Plattdüütsch" data-language-local-name="baixo alemán" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Excentriciteit_(wiskunde)" title="Excentriciteit (wiskunde) – neerlandés" lang="nl" hreflang="nl" data-title="Excentriciteit (wiskunde)" data-language-autonym="Nederlands" data-language-local-name="neerlandés" 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/Eksentrisitet" title="Eksentrisitet – noruegués bokmål" lang="nb" hreflang="nb" data-title="Eksentrisitet" data-language-autonym="Norsk bokmål" data-language-local-name="noruegués bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Mimo%C5%9Br%C3%B3d_(matematyka)" title="Mimośród (matematyka) – polaco" lang="pl" hreflang="pl" data-title="Mimośród (matematyka)" data-language-autonym="Polski" data-language-local-name="polaco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Excentricidade_(matem%C3%A1tica)" title="Excentricidade (matemática) – portugués" lang="pt" hreflang="pt" data-title="Excentricidade (matemática)" data-language-autonym="Português" data-language-local-name="portugués" 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/Excentricitate_(matematic%C4%83)" title="Excentricitate (matematică) – romanés" lang="ro" hreflang="ro" data-title="Excentricitate (matematică)" data-language-autonym="Română" data-language-local-name="romanés" 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%AD%D0%BA%D1%81%D1%86%D0%B5%D0%BD%D1%82%D1%80%D0%B8%D1%81%D0%B8%D1%82%D0%B5%D1%82" title="Эксцентриситет – ruso" lang="ru" hreflang="ru" data-title="Эксцентриситет" data-language-autonym="Русский" data-language-local-name="ruso" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%95%D0%BA%D1%81%D1%86%D0%B5%D0%BD%D1%82%D1%80%D0%B8%D1%86%D0%B8%D1%82%D0%B0" title="Ексцентрицита – Rusyn" lang="rue" hreflang="rue" data-title="Ексцентрицита" data-language-autonym="Русиньскый" data-language-local-name="Rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Eccentricity_(mathematics)" title="Eccentricity (mathematics) – escocés" lang="sco" hreflang="sco" data-title="Eccentricity (mathematics)" data-language-autonym="Scots" data-language-local-name="escocés" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Ekscentricitet" title="Ekscentricitet – serbocroata" lang="sh" hreflang="sh" data-title="Ekscentricitet" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbocroata" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Izsrednost" title="Izsrednost – esloveno" lang="sl" hreflang="sl" data-title="Izsrednost" data-language-autonym="Slovenščina" data-language-local-name="esloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%95%D0%BA%D1%81%D1%86%D0%B5%D0%BD%D1%82%D1%80%D0%B8%D1%86%D0%B8%D1%82%D0%B5%D1%82" title="Ексцентрицитет – serbio" lang="sr" hreflang="sr" data-title="Ексцентрицитет" data-language-autonym="Српски / srpski" data-language-local-name="serbio" 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/Excentricitet" title="Excentricitet – sueco" lang="sv" hreflang="sv" data-title="Excentricitet" data-language-autonym="Svenska" data-language-local-name="sueco" 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%B5%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B5%E0%AE%BF%E0%AE%B2%E0%AE%95%E0%AE%B2%E0%AF%8D" title="வட்டவிலகல் – támil" lang="ta" hreflang="ta" data-title="வட்டவிலகல்" data-language-autonym="தமிழ்" data-language-local-name="támil" 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</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">Na Galipedia, a Wikipedia en galego.</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="gl" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Excentricidad.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Excentricidad.svg/220px-Excentricidad.svg.png" decoding="async" width="220" height="224" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Excentricidad.svg/330px-Excentricidad.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Excentricidad.svg/440px-Excentricidad.svg.png 2x" data-file-width="485" data-file-height="494" /></a><figcaption>Excentricidade de diversas curvas e unha elipse.</figcaption></figure> <div class="mw-heading mw-heading2"><h2 id="Matemáticas"><span id="Matem.C3.A1ticas"></span>Matemáticas</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Excentricidade&veaction=edit&section=1" title="Editar a sección: «Matemáticas»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Excentricidade&action=edit&section=1" title="Editar o código fonte da sección: Matemáticas"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>En <a href="/wiki/Matem%C3%A1ticas" title="Matemáticas">matemáticas</a> e <a href="/wiki/Xeometr%C3%ADa" title="Xeometría">xeometría</a> a <b>excentricidade</b> é un parámetro que determina o grao de desviación dunha <a href="/wiki/Secci%C3%B3n_c%C3%B3nica" title="Sección cónica">sección cónica</a> con respecto a unha <a href="/wiki/Circunferencia" title="Circunferencia">circunferencia</a>. É un parámetro importante na definición das <a href="/wiki/Elipse_(xeometr%C3%ADa)" title="Elipse (xeometría)">elipses</a>. </p><p>A excentricidade <i><b>e</b></i> dunha elipse de semieixo maior <i><b>a</b></i> e semieixo menor <i><b>b</b></i> é: </p><p><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 e={\sqrt {1-{\frac {b^{2}}{a^{2}}}}}.}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>e</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mn>1</mn> <mo>−</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msup> <mi>b</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mfrac> </mrow> </msqrt> </mrow> <mo>.</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle e={\sqrt {1-{\frac {b^{2}}{a^{2}}}}}.}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/15ced8147d0a1f536f0792414c2122a11493ce5d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.005ex; width:14.276ex; height:7.509ex;" alt="{\displaystyle e={\sqrt {1-{\frac {b^{2}}{a^{2}}}}}.}"></span> </p><p><b>Valores da excentricidade en seccións cónicas:</b> </p> <ul><li>A excentricidade dunha <a href="/wiki/Circunferencia" title="Circunferencia">circunferencia</a> é cero.</li> <li>A excentricidade dunha <a href="/wiki/Elipse_(xeometr%C3%ADa)" title="Elipse (xeometría)">elipse</a> é maior xa cero e menor ca 1.</li> <li>A excentricidade dunha <a href="/wiki/Par%C3%A1bola_(xeometr%C3%ADa)" title="Parábola (xeometría)">parábola</a> é 1.</li> <li>A excentricidade dunha <a href="/wiki/Hip%C3%A9rbole_(xeometr%C3%ADa)" title="Hipérbole (xeometría)">hipérbole</a> é maior ca 1.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Astronomía"><span id="Astronom.C3.ADa"></span>Astronomía</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Excentricidade&veaction=edit&section=2" title="Editar a sección: «Astronomía»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Excentricidade&action=edit&section=2" title="Editar o código fonte da sección: Astronomía"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Os corpos ligados gravitacionalmente entre si describen <a href="/wiki/%C3%93rbita" title="Órbita">órbitas</a> en forma de elipse. A excentricidade da órbita dun obxecto calcúlase de acordo coa fórmula anterior e expresa o grao de desviación con respecto a unha órbita circular. </p> <div class="mw-heading mw-heading2"><h2 id="Outros">Outros</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Excentricidade&veaction=edit&section=3" title="Editar a sección: «Outros»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Excentricidade&action=edit&section=3" title="Editar o código fonte da sección: Outros"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Na linguaxe común emprégase o concepto de excentricidade para referirse ó comportamento infrecuente ou estraño dunha persoa. </p> <div role="navigation" class="navbox" aria-labelledby="Control_de_autoridades" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th id="Control_de_autoridades" scope="row" class="navbox-group" style="width:1%;width: 12%; text-align:center;"><a href="/wiki/Axuda:Control_de_autoridades" title="Axuda:Control de autoridades">Control de autoridades</a></th><td class="navbox-list navbox-odd plainlinks" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><span style="white-space:nowrap;"><span typeof="mw:File"><a href="https://www.wikidata.org/wiki/Wikidata:Main_Page" title="Wikidata"><img alt="Wd" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/20px-Wikidata-logo.svg.png" decoding="async" width="20" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/30px-Wikidata-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/40px-Wikidata-logo.svg.png 2x" data-file-width="1050" data-file-height="590" /></a></span>: <span class="uid"><a href="https://www.wikidata.org/wiki/Q104486" class="extiw" title="wikidata:Q104486">Q104486</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Grande_Enciclopedia_Rusa" title="Grande Enciclopedia Rusa">BRE</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://old.bigenc.ru/text/4928042">4928042</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Encyclop%C3%A6dia_Britannica" title="Encyclopædia Britannica">EBID</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://www.britannica.com/topic/eccentricity-mathematics">ID</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Gemeinsame_Normdatei" title="Gemeinsame Normdatei">GND</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4340863-1">4340863-1</a></span></span></span></li> <li><span style="white-space:nowrap;">MAG: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://web.archive.org/web/*/https://academic.microsoft.com/v2/detail/205600581">205600581</a></span></span></span></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Traído desde «<a dir="ltr" href="https://gl.wikipedia.org/w/index.php?title=Excentricidade&oldid=4796256">https://gl.wikipedia.org/w/index.php?title=Excentricidade&oldid=4796256</a>»</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Especial:Categor%C3%ADas" title="Especial:Categorías">Categorías</a>: <ul><li><a href="/wiki/Categor%C3%ADa:Matem%C3%A1ticas" title="Categoría:Matemáticas">Matemáticas</a></li><li><a href="/wiki/Categor%C3%ADa:Mec%C3%A1nica_celeste" title="Categoría:Mecánica celeste">Mecánica celeste</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> A última edición desta páxina foi o 16 de xullo de 2018 ás 21:57.</li> <li id="footer-info-copyright">Todo o texto está dispoñible baixo a <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/">licenza Creative Commons recoñecemento compartir igual 4.0</a>; pódense aplicar termos adicionais. 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