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[r]" accesskey="r"><span>Nýlegar breytingar</span></a></li><li id="n-newpages" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:N%C3%BDjustu_greinar"><span>Nýjustu greinar</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Samf%C3%A9lagsg%C3%A1tt" title="Um verkefnið, hvernig er hægt að hjálpa og hvar á að byrja"><span>Samfélagsgátt</span></a></li><li id="n-Potturinn" class="mw-list-item"><a href="/wiki/Wikipedia:Potturinn"><span>Potturinn</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Fors%C3%AD%C3%B0a" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="Frjálsa alfræðiritið" src="/static/images/mobile/copyright/wikipedia-tagline-is.svg" width="118" height="12" style="width: 7.375em; 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[o]" accesskey="o" class=""><span>Skrá inn</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Frekari valkostir" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Persónuleg verkfæri" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-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-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Persónuleg verkfæri</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Notandavalmynd" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_is.wikipedia.org&uselang=is"><span>Fjárframlög</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:B%C3%BAa_til_a%C3%B0gang&returnto=Veldi+%28st%C3%A6r%C3%B0fr%C3%A6%C3%B0i%29" title="Þú ert hvattur/hvött til að búa til aðgang og skrá þig inn; en það er ekki skylda"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Búa til aðgang</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:Innskr%C3%A1&returnto=Veldi+%28st%C3%A6r%C3%B0fr%C3%A6%C3%B0i%29" title="Þú ert hvattur/hvött til að innskrá þig, það er hinsvegar ekki skylda. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Skrá inn</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Síður fyrir útskráða notendur <a href="/wiki/Hj%C3%A1lp:Introduction" aria-label="Læra meira um breytingar"><span>Læra meira</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:Framl%C3%B6g_m%C3%ADn" title="Listi yfir breytingar frá þessu IP-staðfangi [y]" accesskey="y"><span>Framlög</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:Spjallas%C3%AD%C3%B0a_m%C3%ADn" title="Spjall um breytingar frá þessu IP-staðfangi [n]" accesskey="n"><span>Spjall</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Vefsíða"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Efni" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Efni</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">færa í hliðarstiku</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">fela</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Byrjun</div> </a> </li> <li id="toc-Almenn_brot_sem_veldisvísar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Almenn_brot_sem_veldisvísar"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Almenn brot sem veldisvísar</span> </div> </a> <ul id="toc-Almenn_brot_sem_veldisvísar-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tilvísanir" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tilvísanir"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Tilvísanir</span> </div> </a> <ul id="toc-Tilvísanir-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tengt_efni" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tengt_efni"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Tengt efni</span> </div> </a> <ul id="toc-Tengt_efni-sublist" class="vector-toc-list"> </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="Efni" 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="Sýna/fela efnisyfirlit" > <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">Sýna/fela efnisyfirlit</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">Veldi (stærðfræði)</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="Fara á grein á öðru tungumáli. Til staðar á 89 tungumálum" > <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-89" 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">89 tungumál</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/Magsverheffing" title="Magsverheffing – afríkanska" lang="af" hreflang="af" data-title="Magsverheffing" data-language-autonym="Afrikaans" data-language-local-name="afríkanska" 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/Potenz_(Mathematik)" title="Potenz (Mathematik) – svissnesk þýska" lang="gsw" hreflang="gsw" data-title="Potenz (Mathematik)" data-language-autonym="Alemannisch" data-language-local-name="svissnesk þýska" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%8A%95%E1%88%B4%E1%89%B5" title="ንሴት – amharíska" lang="am" hreflang="am" data-title="ንሴት" data-language-autonym="አማርኛ" data-language-local-name="amharíska" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B1%D9%81%D8%B9_%D8%A3%D8%B3%D9%8A" title="رفع أسي – arabíska" lang="ar" hreflang="ar" data-title="رفع أسي" data-language-autonym="العربية" data-language-local-name="arabíska" 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/Potenciaci%C3%B3n" title="Potenciación – astúríska" lang="ast" hreflang="ast" data-title="Potenciación" data-language-autonym="Asturianu" data-language-local-name="astúríska" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Q%C3%BCvv%C9%99t%C9%99_y%C3%BCks%C9%99ltm%C9%99" title="Qüvvətə yüksəltmə – aserska" lang="az" hreflang="az" data-title="Qüvvətə yüksəltmə" data-language-autonym="Azərbaycanca" data-language-local-name="aserska" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%94%D3%99%D1%80%D3%99%D0%B6%D3%99%D0%B3%D3%99_%D0%BA%D2%AF%D1%82%D3%99%D1%80%D0%B5%D2%AF" title="Дәрәжәгә күтәреү – baskír" lang="ba" hreflang="ba" data-title="Дәрәжәгә күтәреү" data-language-autonym="Башҡортса" data-language-local-name="baskír" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Eksponentasyon" title="Eksponentasyon – Central Bikol" lang="bcl" hreflang="bcl" data-title="Eksponentasyon" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A1%D1%82%D1%83%D0%BF%D0%B5%D0%BD%D1%8F%D0%B2%D0%B0%D0%BD%D0%BD%D0%B5" title="Ступеняванне – hvítrússneska" lang="be" hreflang="be" data-title="Ступеняванне" data-language-autonym="Беларуская" data-language-local-name="hvítrússneska" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A1%D1%82%D0%B5%D0%BF%D0%B5%D0%BD%D1%83%D0%B2%D0%B0%D0%BD%D0%B5_(%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0)" title="Степенуване (математика) – búlgarska" lang="bg" hreflang="bg" data-title="Степенуване (математика)" data-language-autonym="Български" data-language-local-name="búlgarska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A7%82%E0%A6%9A%E0%A6%95%E0%A7%80%E0%A6%95%E0%A6%B0%E0%A6%A3" title="সূচকীকরণ – bengalska" lang="bn" hreflang="bn" data-title="সূচকীকরণ" data-language-autonym="বাংলা" data-language-local-name="bengalska" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Eksponent" title="Eksponent – bosníska" lang="bs" hreflang="bs" data-title="Eksponent" data-language-autonym="Bosanski" data-language-local-name="bosníska" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-bxr mw-list-item"><a href="https://bxr.wikipedia.org/wiki/%D0%97%D1%8D%D1%80%D0%B3%D1%8D%D0%B4%D1%8D_%D0%B4%D1%8D%D0%B1%D0%B6%D2%AF%D2%AF%D0%BB%D1%85%D1%8D" title="Зэргэдэ дэбжүүлхэ – Russia Buriat" lang="bxr" hreflang="bxr" data-title="Зэргэдэ дэбжүүлхэ" data-language-autonym="Буряад" data-language-local-name="Russia Buriat" class="interlanguage-link-target"><span>Буряад</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Potenciaci%C3%B3" title="Potenciació – katalónska" lang="ca" hreflang="ca" data-title="Potenciació" data-language-autonym="Català" data-language-local-name="katalónska" 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%AA%D9%88%D8%A7%D9%86_(%D9%85%D8%A7%D8%AA%D9%85%D8%A7%D8%AA%DB%8C%DA%A9)" title="توان (ماتماتیک) – miðkúrdíska" lang="ckb" hreflang="ckb" data-title="توان (ماتماتیک)" data-language-autonym="کوردی" data-language-local-name="miðkúrdíska" 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/Umoc%C5%88ov%C3%A1n%C3%AD" title="Umocňování – tékkneska" lang="cs" hreflang="cs" data-title="Umocňování" data-language-autonym="Čeština" data-language-local-name="tékkneska" 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%B0%D0%BF%D0%B0%D1%88%D1%82%D0%B0%D1%80%D1%83" title="Капаштару – sjúvas" lang="cv" hreflang="cv" data-title="Капаштару" data-language-autonym="Чӑвашла" data-language-local-name="sjúvas" 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/Esbonydd" title="Esbonydd – velska" lang="cy" hreflang="cy" data-title="Esbonydd" data-language-autonym="Cymraeg" data-language-local-name="velska" 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/Potens_(matematik)" title="Potens (matematik) – danska" lang="da" hreflang="da" data-title="Potens (matematik)" data-language-autonym="Dansk" data-language-local-name="danska" 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/Potenz_(Mathematik)" title="Potenz (Mathematik) – þýska" lang="de" hreflang="de" data-title="Potenz (Mathematik)" data-language-autonym="Deutsch" data-language-local-name="þýska" 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%94%CF%8D%CE%BD%CE%B1%CE%BC%CE%B7_(%CE%BC%CE%B1%CE%B8%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CE%BA%CE%AC)" title="Δύναμη (μαθηματικά) – gríska" lang="el" hreflang="el" data-title="Δύναμη (μαθηματικά)" data-language-autonym="Ελληνικά" data-language-local-name="gríska" 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/Exponentiation" title="Exponentiation – enska" lang="en" hreflang="en" data-title="Exponentiation" data-language-autonym="English" data-language-local-name="enska" 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/Potenco_(matematiko)" title="Potenco (matematiko) – esperantó" lang="eo" hreflang="eo" data-title="Potenco (matematiko)" data-language-autonym="Esperanto" data-language-local-name="esperantó" 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/Potenciaci%C3%B3n" title="Potenciación – spænska" lang="es" hreflang="es" data-title="Potenciación" data-language-autonym="Español" data-language-local-name="spænska" 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/Astendamine" title="Astendamine – eistneska" lang="et" hreflang="et" data-title="Astendamine" data-language-autonym="Eesti" data-language-local-name="eistneska" 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/Berreketa" title="Berreketa – baskneska" lang="eu" hreflang="eu" data-title="Berreketa" data-language-autonym="Euskara" data-language-local-name="baskneska" 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%D9%88%D8%A7%D9%86_(%D8%B1%DB%8C%D8%A7%D8%B6%DB%8C)" title="توان (ریاضی) – persneska" lang="fa" hreflang="fa" data-title="توان (ریاضی)" data-language-autonym="فارسی" data-language-local-name="persneska" 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/Potenssi" title="Potenssi – finnska" lang="fi" hreflang="fi" data-title="Potenssi" data-language-autonym="Suomi" data-language-local-name="finnska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Potensur" title="Potensur – færeyska" lang="fo" hreflang="fo" data-title="Potensur" data-language-autonym="Føroyskt" data-language-local-name="færeyska" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Exponentiation" title="Exponentiation – franska" lang="fr" hreflang="fr" data-title="Exponentiation" data-language-autonym="Français" data-language-local-name="franska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Potens" title="Potens – norðurfrísneska" lang="frr" hreflang="frr" data-title="Potens" data-language-autonym="Nordfriisk" data-language-local-name="norðurfrísneska" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Easp%C3%B3nant" title="Easpónant – írska" lang="ga" hreflang="ga" data-title="Easpónant" data-language-autonym="Gaeilge" data-language-local-name="írska" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E5%86%AA" title="冪 – gan" lang="gan" hreflang="gan" data-title="冪" data-language-autonym="贛語" data-language-local-name="gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gcr mw-list-item"><a href="https://gcr.wikipedia.org/wiki/Eksponansyasyon" title="Eksponansyasyon – Guianan Creole" lang="gcr" hreflang="gcr" data-title="Eksponansyasyon" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="Guianan Creole" class="interlanguage-link-target"><span>Kriyòl gwiyannen</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Potenciaci%C3%B3n" title="Potenciación – galisíska" lang="gl" hreflang="gl" data-title="Potenciación" data-language-autonym="Galego" data-language-local-name="galisíska" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he badge-Q17437796 badge-featuredarticle mw-list-item" title="Úrvalsgrein"><a href="https://he.wikipedia.org/wiki/%D7%97%D7%96%D7%A7%D7%94_(%D7%9E%D7%AA%D7%9E%D7%98%D7%99%D7%A7%D7%94)" title="חזקה (מתמטיקה) – hebreska" lang="he" hreflang="he" data-title="חזקה (מתמטיקה)" data-language-autonym="עברית" data-language-local-name="hebreska" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%98%E0%A4%BE%E0%A4%A4%E0%A4%BE%E0%A4%82%E0%A4%95" title="घातांक – hindí" lang="hi" hreflang="hi" data-title="घातांक" data-language-autonym="हिन्दी" data-language-local-name="hindí" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Potenciranje" title="Potenciranje – króatíska" lang="hr" hreflang="hr" data-title="Potenciranje" data-language-autonym="Hrvatski" data-language-local-name="króatíska" 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/Hatv%C3%A1ny" title="Hatvány – ungverska" lang="hu" hreflang="hu" data-title="Hatvány" data-language-autonym="Magyar" data-language-local-name="ungverska" 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%B1%D5%BD%D5%BF%D5%AB%D5%B3%D5%A1%D5%B6_(%D5%B0%D5%A1%D5%B6%D6%80%D5%A1%D5%B0%D5%A1%D5%B7%D5%AB%D5%BE)" title="Աստիճան (հանրահաշիվ) – armenska" lang="hy" hreflang="hy" data-title="Աստիճան (հանրահաշիվ)" data-language-autonym="Հայերեն" data-language-local-name="armenska" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Potentiation" title="Potentiation – interlingua" lang="ia" hreflang="ia" data-title="Potentiation" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Eksponensiasi" title="Eksponensiasi – indónesíska" lang="id" hreflang="id" data-title="Eksponensiasi" data-language-autonym="Bahasa Indonesia" data-language-local-name="indónesíska" 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/Potenco" title="Potenco – ídó" lang="io" hreflang="io" data-title="Potenco" data-language-autonym="Ido" data-language-local-name="ídó" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Potenza_(matematica)" title="Potenza (matematica) – ítalska" lang="it" hreflang="it" data-title="Potenza (matematica)" data-language-autonym="Italiano" data-language-local-name="ítalska" 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/%E5%86%AA%E4%B9%97" title="冪乗 – japanska" lang="ja" hreflang="ja" data-title="冪乗" data-language-autonym="日本語" data-language-local-name="japanska" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Exponenshieshan" title="Exponenshieshan – Jamaican Creole English" lang="jam" hreflang="jam" data-title="Exponenshieshan" data-language-autonym="Patois" data-language-local-name="Jamaican Creole English" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%94%D3%99%D1%80%D0%B5%D0%B6%D0%B5%D0%BB%D0%B5%D1%83" title="Дәрежелеу – kasakska" lang="kk" hreflang="kk" data-title="Дәрежелеу" data-language-autonym="Қазақша" data-language-local-name="kasakska" 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%B1%B0%EB%93%AD%EC%A0%9C%EA%B3%B1" title="거듭제곱 – kóreska" lang="ko" hreflang="ko" data-title="거듭제곱" data-language-autonym="한국어" data-language-local-name="kóreska" 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/Potentia_(mathematica)" title="Potentia (mathematica) – latína" lang="la" hreflang="la" data-title="Potentia (mathematica)" data-language-autonym="Latina" data-language-local-name="latína" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Esponenti" title="Esponenti – Lingua Franca Nova" lang="lfn" hreflang="lfn" data-title="Esponenti" data-language-autonym="Lingua Franca Nova" data-language-local-name="Lingua Franca Nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Machsverh%C3%B6ffing" title="Machsverhöffing – limbúrgíska" lang="li" hreflang="li" data-title="Machsverhöffing" data-language-autonym="Limburgs" data-language-local-name="limbúrgíska" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/K%C4%97limas_laipsniu" title="Kėlimas laipsniu – litháíska" lang="lt" hreflang="lt" data-title="Kėlimas laipsniu" data-language-autonym="Lietuvių" data-language-local-name="litháíska" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/K%C4%81pin%C4%81%C5%A1ana" title="Kāpināšana – lettneska" lang="lv" hreflang="lv" data-title="Kāpināšana" data-language-autonym="Latviešu" data-language-local-name="lettneska" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Toraka_(matematika)" title="Toraka (matematika) – malagasíska" lang="mg" hreflang="mg" data-title="Toraka (matematika)" data-language-autonym="Malagasy" data-language-local-name="malagasíska" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A1%D1%82%D0%B5%D0%BF%D0%B5%D0%BD%D1%83%D0%B2%D0%B0%D1%9A%D0%B5" title="Степенување – makedónska" lang="mk" hreflang="mk" data-title="Степенување" data-language-autonym="Македонски" data-language-local-name="makedónska" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Pengeksponenan" title="Pengeksponenan – malaíska" lang="ms" hreflang="ms" data-title="Pengeksponenan" data-language-autonym="Bahasa Melayu" data-language-local-name="malaíska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%98%E0%A4%BE%E0%A4%A4%E0%A4%BE%E0%A4%99%E0%A5%8D%E0%A4%95" title="घाताङ्क – nepalska" lang="ne" hreflang="ne" data-title="घाताङ्क" data-language-autonym="नेपाली" data-language-local-name="nepalska" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Machtsverheffen" title="Machtsverheffen – hollenska" lang="nl" hreflang="nl" data-title="Machtsverheffen" data-language-autonym="Nederlands" data-language-local-name="hollenska" 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/Potens_i_matematikk" title="Potens i matematikk – nýnorska" lang="nn" hreflang="nn" data-title="Potens i matematikk" data-language-autonym="Norsk nynorsk" data-language-local-name="nýnorska" 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/Potens_(matematikk)" title="Potens (matematikk) – norskt bókmál" lang="nb" hreflang="nb" data-title="Potens (matematikk)" data-language-autonym="Norsk bokmål" data-language-local-name="norskt bókmál" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Aangessoo(ekispoonentii)" title="Aangessoo(ekispoonentii) – oromo" lang="om" hreflang="om" data-title="Aangessoo(ekispoonentii)" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%98%E0%A8%BE%E0%A8%A4_%E0%A8%85%E0%A9%B0%E0%A8%95" title="ਘਾਤ ਅੰਕ – púnjabí" lang="pa" hreflang="pa" data-title="ਘਾਤ ਅੰਕ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="púnjabí" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Pot%C4%99gowanie" title="Potęgowanie – pólska" lang="pl" hreflang="pl" data-title="Potęgowanie" data-language-autonym="Polski" data-language-local-name="pólska" 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/Exponencia%C3%A7%C3%A3o" title="Exponenciação – portúgalska" lang="pt" hreflang="pt" data-title="Exponenciação" data-language-autonym="Português" data-language-local-name="portúgalska" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Yupa_huqariy" title="Yupa huqariy – kvesjúa" lang="qu" hreflang="qu" data-title="Yupa huqariy" data-language-autonym="Runa Simi" data-language-local-name="kvesjúa" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Putere_(matematic%C4%83)" title="Putere (matematică) – rúmenska" lang="ro" hreflang="ro" data-title="Putere (matematică)" data-language-autonym="Română" data-language-local-name="rúmenska" 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%92%D0%BE%D0%B7%D0%B2%D0%B5%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5_%D0%B2_%D1%81%D1%82%D0%B5%D0%BF%D0%B5%D0%BD%D1%8C" title="Возведение в степень – rússneska" lang="ru" hreflang="ru" data-title="Возведение в степень" data-language-autonym="Русский" data-language-local-name="rússneska" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%91%D2%AF%D1%82%D2%AF%D0%BD_%D0%BA%D3%A9%D1%80%D0%B4%D3%A9%D1%80%D3%A9%D3%A9%D1%87%D1%87%D2%AF%D0%BB%D1%8D%D1%8D%D1%85_%D1%81%D1%82%D0%B5%D0%BF%D0%B5%D0%BD%D1%8C" title="Бүтүн көрдөрөөччүлээх степень – jakút" lang="sah" hreflang="sah" data-title="Бүтүн көрдөрөөччүлээх степень" data-language-autonym="Саха тыла" data-language-local-name="jakút" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Putenza_(matim%C3%A0tica)" title="Putenza (matimàtica) – sikileyska" lang="scn" hreflang="scn" data-title="Putenza (matimàtica)" data-language-autonym="Sicilianu" data-language-local-name="sikileyska" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Stepenovanje" title="Stepenovanje – serbókróatíska" lang="sh" hreflang="sh" data-title="Stepenovanje" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbókróatíska" 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/Exponentiation" title="Exponentiation – Simple English" lang="en-simple" hreflang="en-simple" data-title="Exponentiation" 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/Umoc%C5%88ovanie" title="Umocňovanie – slóvakíska" lang="sk" hreflang="sk" data-title="Umocňovanie" data-language-autonym="Slovenčina" data-language-local-name="slóvakíska" 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/Potenciranje" title="Potenciranje – slóvenska" lang="sl" hreflang="sl" data-title="Potenciranje" data-language-autonym="Slovenščina" data-language-local-name="slóvenska" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Kutambanura_(nhamba)" title="Kutambanura (nhamba) – shona" lang="sn" hreflang="sn" data-title="Kutambanura (nhamba)" data-language-autonym="ChiShona" data-language-local-name="shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A1%D1%82%D0%B5%D0%BF%D0%B5%D0%BD%D0%BE%D0%B2%D0%B0%D1%9A%D0%B5" title="Степеновање – serbneska" lang="sr" hreflang="sr" data-title="Степеновање" data-language-autonym="Српски / srpski" data-language-local-name="serbneska" 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/Potens" title="Potens – sænska" lang="sv" hreflang="sv" data-title="Potens" data-language-autonym="Svenska" data-language-local-name="sænska" 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%85%E0%AE%9F%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%87%E0%AE%B1%E0%AF%8D%E0%AE%B1%E0%AE%AE%E0%AF%8D" title="அடுக்கேற்றம் – tamílska" lang="ta" hreflang="ta" data-title="அடுக்கேற்றம்" data-language-autonym="தமிழ்" data-language-local-name="tamílska" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th badge-Q17437798 badge-goodarticle mw-list-item" title="Gæðagrein"><a href="https://th.wikipedia.org/wiki/%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A2%E0%B8%81%E0%B8%81%E0%B8%B3%E0%B8%A5%E0%B8%B1%E0%B8%87" title="การยกกำลัง – taílenska" lang="th" hreflang="th" data-title="การยกกำลัง" data-language-autonym="ไทย" data-language-local-name="taílenska" 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/Pagpapalakas_(matematika)" title="Pagpapalakas (matematika) – tagalog" lang="tl" hreflang="tl" data-title="Pagpapalakas (matematika)" 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/%C3%9Cs" title="Üs – tyrkneska" lang="tr" hreflang="tr" data-title="Üs" data-language-autonym="Türkçe" data-language-local-name="tyrkneska" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D8%AF%DB%95%D8%B1%D9%89%D8%AC%DB%95_(%D9%85%D8%A7%D8%AA%DB%90%D9%85%D8%A7%D8%AA%D9%89%D9%83%D8%A7)" title="دەرىجە (ماتېماتىكا) – úígúr" lang="ug" hreflang="ug" data-title="دەرىجە (ماتېماتىكا)" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="úígúr" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D1%96%D0%B4%D0%BD%D0%B5%D1%81%D0%B5%D0%BD%D0%BD%D1%8F_%D0%B4%D0%BE_%D1%81%D1%82%D0%B5%D0%BF%D0%B5%D0%BD%D1%8F" title="Піднесення до степеня – úkraínska" lang="uk" hreflang="uk" data-title="Піднесення до степеня" data-language-autonym="Українська" data-language-local-name="úkraínska" 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/L%C5%A9y_th%E1%BB%ABa" title="Lũy thừa – víetnamska" lang="vi" hreflang="vi" data-title="Lũy thừa" data-language-autonym="Tiếng Việt" data-language-local-name="víetnamska" 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/Eksponentasyon" title="Eksponentasyon – varaí" lang="war" hreflang="war" data-title="Eksponentasyon" data-language-autonym="Winaray" data-language-local-name="varaí" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%B9%82" title="幂 – wu-kínverska" lang="wuu" hreflang="wuu" data-title="幂" data-language-autonym="吴语" data-language-local-name="wu-kínverska" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%98%D0%B4%D1%80%D0%B8%D0%BB%D2%BB%D0%B0%D0%BD" title="Идрилһан – kalmúkska" lang="xal" hreflang="xal" data-title="Идрилһан" data-language-autonym="Хальмг" data-language-local-name="kalmúkska" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%A4%D7%90%D7%98%D7%A2%D7%A0%D7%A5" title="פאטענץ – jiddíska" lang="yi" hreflang="yi" data-title="פאטענץ" data-language-autonym="ייִדיש" data-language-local-name="jiddíska" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%86%AA" title="冪 – kínverska" lang="zh" hreflang="zh" data-title="冪" data-language-autonym="中文" data-language-local-name="kínverska" 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/%E6%AC%A1%E6%96%B9" title="次方 – kantónska" lang="yue" hreflang="yue" data-title="次方" data-language-autonym="粵語" data-language-local-name="kantónska" 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/Q33456#sitelinks-wikipedia" title="Breyta tungumálatenglum" class="wbc-editpage">Breyta tenglum</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="Nafnrými"> <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/Veldi_(st%C3%A6r%C3%B0fr%C3%A6%C3%B0i)" title="Sýna efnissíðuna [c]" accesskey="c"><span>Síða</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Spjall:Veldi_(st%C3%A6r%C3%B0fr%C3%A6%C3%B0i)&action=edit&redlink=1" rel="discussion" class="new" title="Spallsíða þessarar síðu (síða er ekki enn til) [t]" accesskey="t"><span>Spjall</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input 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</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="Síðuverkfæri"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Útlit"> <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">Útlit</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">færa í hliðarstiku</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">fela</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">Úr Wikipediu, frjálsa alfræðiritinu</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Endurbeint frá <a href="/w/index.php?title=Veldi&redirect=no" class="mw-redirect" title="Veldi">Veldi</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="is" dir="ltr"><p><b>Veldi</b><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> er <a href="/wiki/St%C3%A6r%C3%B0fr%C3%A6%C3%B0i" title="Stærðfræði">stærðfræðiaðgerð</a> <b>a<sup>n</sup></b> þar sem <b>veldisstofn</b><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <i>a</i> er <a href="/wiki/Margf%C3%B6ldun" title="Margföldun">margfaldaður</a> með sjálfum sér jafn oft og <b><a href="/wiki/V%C3%ADsir_(st%C3%A6r%C3%B0fr%C3%A6%C3%B0i)" title="Vísir (stærðfræði)">veldisvísirinn</a></b><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> <i>n</i> tilgreinir: </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 a^{n}=\underbrace {a\times \cdots \times a} _{n}\!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>n</mi> </mrow> </msup> <mo>=</mo> <munder> <mrow class="MJX-TeXAtom-OP MJX-fixedlimits"> <munder> <mrow> <mi>a</mi> <mo>×</mo> <mo>⋯</mo> <mo>×</mo> <mi>a</mi> </mrow> <mo>⏟</mo> </munder> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mi>n</mi> </mrow> </munder> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a^{n}=\underbrace {a\times \cdots \times a} _{n}\!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/898399410876ee838073cdea38eacda09bb15330" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.671ex; margin-right: -0.415ex; width:16.438ex; height:5.676ex;" alt="{\displaystyle a^{n}=\underbrace {a\times \cdots \times a} _{n}\!}"></span></dd></dl> <p>þar sem veldisstofninum <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}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ffd2487510aa438433a2579450ab2b3d557e5edc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.23ex; height:1.676ex;" alt="{\displaystyle a}"></span> er margfaldað jafn oft við sjálfan sig og veldisvísirinn <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 n}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>n</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle n}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a601995d55609f2d9f5e233e36fbe9ea26011b3b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.395ex; height:1.676ex;" alt="{\displaystyle n}"></span> gerir grein fyrir, en sé veldisvísirinn 0 er útkoman 1. Sem dæmi má nefna að <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 4^{3}\!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mn>4</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 4^{3}\!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8fa30ccf845d28f3366e0b48aec416e36711a832" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; margin-right: -0.387ex; width:2.217ex; height:2.676ex;" alt="{\displaystyle 4^{3}\!}"></span> (fjórir í þriðja veldi) jafngildir <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 4\cdot 4\cdot 4=64\!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mn>4</mn> <mo>⋅</mo> <mn>4</mn> <mo>⋅</mo> <mn>4</mn> <mo>=</mo> <mn>64</mn> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 4\cdot 4\cdot 4=64\!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/93617b4659b52e9bacedc7ce3a916c389eab2085" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; margin-right: -0.32ex; width:12.202ex; height:2.176ex;" alt="{\displaystyle 4\cdot 4\cdot 4=64\!}"></span>. Í þessu dæmi er <a href="/wiki/Veldisstofn" class="mw-redirect" title="Veldisstofn">veldisstofninn</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 4}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mn>4</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 4}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/295b4bf1de7cd3500e740e0f4f0635db22d87b42" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.162ex; height:2.176ex;" alt="{\displaystyle 4}"></span> og 3 <a href="/wiki/Veldisv%C3%ADsir" class="mw-redirect" title="Veldisvísir">veldisvísirinn</a>. </p><p>Eingöngu er hægt að sameina veldi ef að stofninn er sá sami. Veldi eru sameinuð með því að leggja saman veldisvísana. <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 s^{a}\cdot s^{b}=s^{a+b}\!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>s</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>a</mi> </mrow> </msup> <mo>⋅</mo> <msup> <mi>s</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msup> <mo>=</mo> <msup> <mi>s</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>a</mi> <mo>+</mo> <mi>b</mi> </mrow> </msup> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle s^{a}\cdot s^{b}=s^{a+b}\!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1a36ca55da3178105e4363fb3fca5bc30cc71b92" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; margin-right: -0.387ex; width:13.174ex; height:2.676ex;" alt="{\displaystyle s^{a}\cdot s^{b}=s^{a+b}\!}"></span>, til dæmis <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 4^{3}\cdot 4^{7}=4^{3+7}=4^{10}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mn>4</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> <mo>⋅</mo> <msup> <mn>4</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>7</mn> </mrow> </msup> <mo>=</mo> <msup> <mn>4</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> <mo>+</mo> <mn>7</mn> </mrow> </msup> <mo>=</mo> <msup> <mn>4</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>10</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 4^{3}\cdot 4^{7}=4^{3+7}=4^{10}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7748b6add7c46b1f57ba27b9f7e0af2fa75812b2" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:19.665ex; height:2.676ex;" alt="{\displaystyle 4^{3}\cdot 4^{7}=4^{3+7}=4^{10}}"></span> </p><p>Sömuleiðis gildir það með deilingu: <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 {s^{a}}{s^{b}}}=s^{a-b}\!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msup> <mi>s</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>a</mi> </mrow> </msup> <msup> <mi>s</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msup> </mfrac> </mrow> <mo>=</mo> <msup> <mi>s</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>a</mi> <mo>−</mo> <mi>b</mi> </mrow> </msup> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\frac {s^{a}}{s^{b}}}=s^{a-b}\!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c6aad7e6b9ad8b4d581ab1d2c3a2e7e437364dad" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.171ex; margin-right: -0.387ex; width:10.303ex; height:5.509ex;" alt="{\displaystyle {\frac {s^{a}}{s^{b}}}=s^{a-b}\!}"></span>, til dæmis <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 {5^{4}}{5^{3}}}=5^{4-3}=5^{1}=5\!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msup> <mn>5</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> </msup> <msup> <mn>5</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> </mfrac> </mrow> <mo>=</mo> <msup> <mn>5</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> <mo>−</mo> <mn>3</mn> </mrow> </msup> <mo>=</mo> <msup> <mn>5</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msup> <mo>=</mo> <mn>5</mn> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\frac {5^{4}}{5^{3}}}=5^{4-3}=5^{1}=5\!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8ef27fa5bb3d73b1b12a0b127842cc819ae6e94a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.338ex; margin-right: -0.269ex; width:19.926ex; height:6.176ex;" alt="{\displaystyle {\frac {5^{4}}{5^{3}}}=5^{4-3}=5^{1}=5\!}"></span> </p><p>Einnig gildir: <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 (s^{a})^{b}=s^{a\cdot b}\!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">(</mo> <msup> <mi>s</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>a</mi> </mrow> </msup> <msup> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msup> <mo>=</mo> <msup> <mi>s</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>a</mi> <mo>⋅</mo> <mi>b</mi> </mrow> </msup> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle (s^{a})^{b}=s^{a\cdot b}\!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4fd33b0d02ea791fbe324e66e871b297a0da63f3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; margin-right: -0.387ex; width:11.393ex; height:3.176ex;" alt="{\displaystyle (s^{a})^{b}=s^{a\cdot b}\!}"></span>, til dæmis <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 (9^{4})^{3}=9^{4\cdot 3}=9^{12}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">(</mo> <msup> <mn>9</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> </msup> <msup> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> <mo>=</mo> <msup> <mn>9</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> <mo>⋅</mo> <mn>3</mn> </mrow> </msup> <mo>=</mo> <msup> <mn>9</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>12</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle (9^{4})^{3}=9^{4\cdot 3}=9^{12}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b7a2564630788fc9790466a8728ca3f03fb12fa1" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:17.812ex; height:3.176ex;" alt="{\displaystyle (9^{4})^{3}=9^{4\cdot 3}=9^{12}}"></span> </p><p>Athugið að eftirfarandi gildir: <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 \,\ 2^{2^{2^{2}}}=2^{2^{4}}=2^{16}=65536}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mspace width="thinmathspace" /> <mtext> </mtext> <msup> <mn>2</mn> <mrow class="MJX-TeXAtom-ORD"> <msup> <mn>2</mn> <mrow class="MJX-TeXAtom-ORD"> <msup> <mn>2</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mrow> </msup> </mrow> </msup> <mo>=</mo> <msup> <mn>2</mn> <mrow class="MJX-TeXAtom-ORD"> <msup> <mn>2</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> </msup> </mrow> </msup> <mo>=</mo> <msup> <mn>2</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>16</mn> </mrow> </msup> <mo>=</mo> <mn>65536</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \,\ 2^{2^{2^{2}}}=2^{2^{4}}=2^{16}=65536}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/efe2adbc250b7ee7d63a4b090d57c577366a65b7" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:26.011ex; height:3.509ex;" alt="{\displaystyle \,\ 2^{2^{2^{2}}}=2^{2^{4}}=2^{16}=65536}"></span> </p><p>Ástæðan er sú að veldisvísarnir eru reiknaðir fyrst frá hægri til vinstri í veldum. Þetta má rekja til <a href="/w/index.php?title=Tetra-reikningur&action=edit&redlink=1" class="new" title="Tetra-reikningur (síða er ekki enn til)">tetra-reiknings</a>. Aðgreina þarf með svigum ef leysa á úr veldum frá vinstri til hægri. </p><p><br /> Neikvæð veldi eru notuð til að tákna tölur eða tákn sem hafa gildi milli 0 og 1. Hægt er að finna gildi þeirra með því að sleppa formerkjunum í veldisvísinum og deila í 1. <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 10^{-3}={\frac {1}{10^{3}}}=0,001\!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mn>10</mn> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> <mn>3</mn> </mrow> </msup> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <msup> <mn>10</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> </mfrac> </mrow> <mo>=</mo> <mn>0</mn> <mo>,</mo> <mn>001</mn> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 10^{-3}={\frac {1}{10^{3}}}=0,001\!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f6226521816dcfa8832f589005fcffc1fd61d325" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.338ex; margin-right: -0.218ex; width:20.584ex; height:5.676ex;" alt="{\displaystyle 10^{-3}={\frac {1}{10^{3}}}=0,001\!}"></span> </p><p>Einnig skal athugað að <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 s^{0}=1}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>s</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msup> <mo>=</mo> <mn>1</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle s^{0}=1}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8ef44aec1c3ecc912acd7efbd5a78627dfb4ff4e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:6.406ex; height:2.676ex;" alt="{\displaystyle s^{0}=1}"></span> fyrir öll hugsanleg gildi á <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 s\in \mathbb {R} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>s</mi> <mo>∈</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">R</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle s\in \mathbb {R} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/36efff902c6854b1196e79dec095b31e0c6a8ee9" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.609ex; height:2.176ex;" alt="{\displaystyle s\in \mathbb {R} }"></span> </p> <div class="mw-heading mw-heading2"><h2 id="Almenn_brot_sem_veldisvísar"><span id="Almenn_brot_sem_veldisv.C3.ADsar"></span>Almenn brot sem veldisvísar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Veldi_(st%C3%A6r%C3%B0fr%C3%A6%C3%B0i)&veaction=edit&section=1" title="Breyti hluta: Almenn brot sem veldisvísar" class="mw-editsection-visualeditor"><span>breyta</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Veldi_(st%C3%A6r%C3%B0fr%C3%A6%C3%B0i)&action=edit&section=1" title="Edit section's source code: Almenn brot sem veldisvísar"><span>breyta frumkóða</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Hægt er að tákna <a href="/wiki/Kva%C3%B0ratr%C3%B3t" class="mw-redirect" title="Kvaðratrót">kvaðratrót</a> í veldum, en í þeim tilvikum, þá eru notuð <a href="/wiki/Almenn_brot" class="mw-redirect" title="Almenn brot">almenn brot</a>. <a href="/wiki/Nefnari" class="mw-redirect" title="Nefnari">Nefnarinn</a> er þá kvaðratrótin sem stofninn er í og <a href="/wiki/Teljari" class="mw-redirect" title="Teljari">teljarinn</a> er veldisvísirinn. Það er síðan hafið í veldi skilgreint með nefnara. </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 a^{\frac {2}{3}}=({\sqrt[{3}]{a}})^{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>2</mn> <mn>3</mn> </mfrac> </mrow> </msup> <mo>=</mo> <mo stretchy="false">(</mo> <mrow class="MJX-TeXAtom-ORD"> <mroot> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </mroot> </mrow> <msup> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a^{\frac {2}{3}}=({\sqrt[{3}]{a}})^{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/d91e2c8ced4dcc9df9f25e7a89b7e42d6cdc7729" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:12.093ex; height:4.176ex;" alt="{\displaystyle a^{\frac {2}{3}}=({\sqrt[{3}]{a}})^{2}}"></span> </p><p>og þar sem <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=8}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> <mo>=</mo> <mn>8</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a=8}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/6e5a321f62f2ac9eb1d4aa2105aa24337d686185" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.491ex; height:2.176ex;" alt="{\displaystyle a=8}"></span>: </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 a^{\frac {2}{3}}|_{a=8}=8^{\frac {2}{3}}=({\sqrt[{3}]{8}})^{2}=(2)^{2}=4}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>2</mn> <mn>3</mn> </mfrac> </mrow> </msup> <msub> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">|</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mi>a</mi> <mo>=</mo> <mn>8</mn> </mrow> </msub> <mo>=</mo> <msup> <mn>8</mn> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>2</mn> <mn>3</mn> </mfrac> </mrow> </msup> <mo>=</mo> <mo stretchy="false">(</mo> <mrow class="MJX-TeXAtom-ORD"> <mroot> <mn>8</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </mroot> </mrow> <msup> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>=</mo> <mo stretchy="false">(</mo> <mn>2</mn> <msup> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>=</mo> <mn>4</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a^{\frac {2}{3}}|_{a=8}=8^{\frac {2}{3}}=({\sqrt[{3}]{8}})^{2}=(2)^{2}=4}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0391944026844a5f04cd171d1948f79fc255102b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:33.257ex; height:4.176ex;" alt="{\displaystyle a^{\frac {2}{3}}|_{a=8}=8^{\frac {2}{3}}=({\sqrt[{3}]{8}})^{2}=(2)^{2}=4}"></span> </p><p>Þegar stofn er í <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 1/2}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mn>1</mn> <mrow class="MJX-TeXAtom-ORD"> <mo>/</mo> </mrow> <mn>2</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 1/2}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e308a3a46b7fdce07cc09dcab9e8d8f73e37d935" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:3.487ex; height:2.843ex;" alt="{\displaystyle 1/2}"></span> veldi, þá er þetta jafnt kvaðratrótinni af stofninum. T.d. <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^{\frac {1}{2}}=({\sqrt[{2}]{a}})^{1}={\sqrt {a}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </mrow> </msup> <mo>=</mo> <mo stretchy="false">(</mo> <mrow class="MJX-TeXAtom-ORD"> <mroot> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </mroot> </mrow> <msup> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msup> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mi>a</mi> </msqrt> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a^{\frac {1}{2}}=({\sqrt[{2}]{a}})^{1}={\sqrt {a}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/55a8c1533511124e578b2cf423dd06d8b88b37ec" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:18.357ex; height:4.176ex;" alt="{\displaystyle a^{\frac {1}{2}}=({\sqrt[{2}]{a}})^{1}={\sqrt {a}}}"></span> </p> <div class="mw-heading mw-heading2"><h2 id="Tilvísanir"><span id="Tilv.C3.ADsanir"></span>Tilvísanir</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Veldi_(st%C3%A6r%C3%B0fr%C3%A6%C3%B0i)&veaction=edit&section=2" title="Breyti hluta: Tilvísanir" class="mw-editsection-visualeditor"><span>breyta</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Veldi_(st%C3%A6r%C3%B0fr%C3%A6%C3%B0i)&action=edit&section=2" title="Edit section's source code: Tilvísanir"><span>breyta frumkóða</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><br /> </p> <div class="mw-heading mw-heading2"><h2 id="Tengt_efni">Tengt efni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Veldi_(st%C3%A6r%C3%B0fr%C3%A6%C3%B0i)&veaction=edit&section=3" title="Breyti hluta: Tengt efni" class="mw-editsection-visualeditor"><span>breyta</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Veldi_(st%C3%A6r%C3%B0fr%C3%A6%C3%B0i)&action=edit&section=3" title="Edit section's source code: Tengt efni"><span>breyta frumkóða</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/w/index.php?title=Flaumr%C3%A6n_framsetning&action=edit&redlink=1" class="new" title="Flaumræn framsetning (síða er ekki enn til)">Flaumræn framsetning</a></li> <li><a href="/wiki/Logri" title="Logri">Logri</a></li> <li><a href="/wiki/Veldisfall" title="Veldisfall">Veldisfall</a></li> <li><a href="/w/index.php?title=Talnaritunarkerfi&action=edit&redlink=1" class="new" title="Talnaritunarkerfi (síða er ekki enn til)">Talnaritunarkerfi</a></li></ul> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://math.ru.is/dict/ordaleit3.cgi?uppflord=veldi&ordalisti=is&hlutflag=0">veldi</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160308094937/http://math.ru.is/dict/ordaleit3.cgi?hlutflag=0&ordalisti=is&uppflord=veldi">Geymt</a> 8 mars 2016 í <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>, power</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://math.ru.is/dict/ordaleit3.cgi?uppflord=veldisstofn&ordalisti=is&hlutflag=0">veldisstofn</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160306015358/http://math.ru.is/dict/ordaleit3.cgi?uppflord=veldisstofn&ordalisti=is&hlutflag=0">Geymt</a> 6 mars 2016 í <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>, base, radix</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://tos.sky.is/tos/to/word/isl/7053/">veldisstofn</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160305100418/http://tos.sky.is/tos/to/word/isl/7053/">Geymt</a> 5 mars 2016 í <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> Tölvuorðsafnið</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.ordabanki.hi.is/wordbank/terminfo?idTerm=466673&FirstResult=0&mainlanguage=IS">Orðið „Veldi (stærðfræði)“</a> á <a href="/wiki/Or%C3%B0abanki_%C3%ADslenskrar_m%C3%A1lst%C3%B6%C3%B0var" class="mw-redirect" title="Orðabanki íslenskrar málstöðvar">Orðabanka íslenskrar málstöðvar</a> <dl><dd><small></small></dd></dl> </span></li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://math.ru.is/dict/ordaleit3.cgi?uppflord=exponent&ordalisti=en&hlutflag=0">veldisvísir</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160328153411/http://math.ru.is/dict/ordaleit3.cgi?uppflord=exponent&ordalisti=en&hlutflag=0">Geymt</a> 28 mars 2016 í <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>, exponent</span> </li> </ol>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; 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