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Argumentul unei funcții - Wikipedia
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href="https://de.wikipedia.org/wiki/Funktionsargument" title="Funktionsargument – germană" lang="de" hreflang="de" data-title="Funktionsargument" data-language-autonym="Deutsch" data-language-local-name="germană" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Argument_of_a_function" title="Argument of a function – engleză" lang="en" hreflang="en" data-title="Argument of a function" data-language-autonym="English" data-language-local-name="engleză" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Argumento_de_una_funci%C3%B3n" title="Argumento de una función – spaniolă" lang="es" hreflang="es" data-title="Argumento de una función" data-language-autonym="Español" data-language-local-name="spaniolă" 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/Argument_(matemaatika)" title="Argument (matemaatika) – estonă" lang="et" hreflang="et" data-title="Argument (matemaatika)" data-language-autonym="Eesti" data-language-local-name="estonă" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B4%D9%86%D8%A7%D8%B3%D9%87_%D8%AA%D8%A7%D8%A8%D8%B9" title="شناسه تابع – persană" lang="fa" hreflang="fa" data-title="شناسه تابع" data-language-autonym="فارسی" data-language-local-name="persană" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%90%D7%A8%D7%92%D7%95%D7%9E%D7%A0%D7%98_%D7%A9%D7%9C_%D7%A4%D7%95%D7%A0%D7%A7%D7%A6%D7%99%D7%94" title="ארגומנט של פונקציה – ebraică" lang="he" hreflang="he" data-title="ארגומנט של פונקציה" data-language-autonym="עברית" data-language-local-name="ebraică" 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%AB%E0%A4%B2%E0%A4%A8_%E0%A4%95%E0%A4%BE_%E0%A4%95%E0%A5%8B%E0%A4%A3%E0%A4%BE%E0%A4%82%E0%A4%95" title="फलन का कोणांक – hindi" lang="hi" hreflang="hi" data-title="फलन का कोणांक" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Argumento_di_funciono" title="Argumento di funciono – ido" lang="io" hreflang="io" data-title="Argumento di funciono" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Argument_i_matematikk" title="Argument i 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mw-list-item"><a href="https://sk.wikipedia.org/wiki/Argument_(matematika)" title="Argument (matematika) – slovacă" lang="sk" hreflang="sk" data-title="Argument (matematika)" data-language-autonym="Slovenčina" data-language-local-name="slovacă" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%90%D1%80%D0%B3%D1%83%D0%BC%D0%B5%D0%BD%D1%82_%D1%84%D1%83%D0%BD%D0%BA%D1%86%D1%96%D1%97" title="Аргумент функції – ucraineană" lang="uk" hreflang="uk" data-title="Аргумент функції" data-language-autonym="Українська" data-language-local-name="ucraineană" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A7%D8%AF%D8%AE%D8%A7%D9%84" title="ادخال – urdu" lang="ur" hreflang="ur" data-title="ادخال" data-language-autonym="اردو" data-language-local-name="urdu" 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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">Aspect</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mută în bara laterală</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ascunde</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">De la Wikipedia, enciclopedia liberă</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="ro" dir="ltr"><p>În <a href="/wiki/Matematic%C4%83" title="Matematică">matematică</a> un <b>argument</b> al unei <a href="/wiki/Func%C8%9Bie" title="Funcție">funcții</a> este o <a href="/wiki/Valoare_(matematic%C4%83)" title="Valoare (matematică)">valoare</a> care trebuie furnizată pentru a obține valoarea (rezultatul) funcției. Se mai numește și <a href="/w/index.php?title=Variabil%C4%83_dependent%C4%83_%C8%99i_variabil%C4%83_independent%C4%83&action=edit&redlink=1" class="new" title="Variabilă dependentă și variabilă independentă — pagină inexistentă">variabilă independentă</a><sup><small>(<a href="https://www.wikidata.org/wiki/Q320723" class="extiw" title="d:Q320723"><span title="variabilă dependentă și variabilă independentă la Wikidata">d</span></a>)</small></sup>.<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><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> </p><p>De exemplu, funcția de două variabile <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 f(x,y)=x^{2}+y^{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>f</mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo>,</mo> <mi>y</mi> <mo stretchy="false">)</mo> <mo>=</mo> <msup> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>+</mo> <msup> <mi>y</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle f(x,y)=x^{2}+y^{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/62cd27ae17a5f4e156905fdcee054a41d15fa36f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:17.144ex; height:3.176ex;" alt="{\displaystyle f(x,y)=x^{2}+y^{2}}"></span> are două argumente, <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 x}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>x</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle x}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/87f9e315fd7e2ba406057a97300593c4802b53e4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.33ex; height:1.676ex;" alt="{\displaystyle x}"></span> și <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 y}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>y</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle y}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b8a6208ec717213d4317e666f1ae872e00620a0d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:1.155ex; height:2.009ex;" alt="{\displaystyle y}"></span>, într-o <a href="/wiki/Pereche_ordonat%C4%83" title="Pereche ordonată">pereche ordonată</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 (x,y)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">(</mo> <mi>x</mi> <mo>,</mo> <mi>y</mi> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle (x,y)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/41cf50e4a314ca8e2c30964baa8d26e5be7a9386" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:5.328ex; height:2.843ex;" alt="{\displaystyle (x,y)}"></span>. <a href="/w/index.php?title=Func%C8%9Bie_hipergeometric%C4%83&action=edit&redlink=1" class="new" title="Funcție hipergeometrică — pagină inexistentă">Funcția hipergeometrică</a><sup><small>(<a href="https://www.wikidata.org/wiki/Q21028472" class="extiw" title="d:Q21028472"><span title="funcție hipergeometrică la Wikidata">d</span></a>)</small></sup> este un exemplu de funcție cu patru argumente. Numărul de argumente pe care le ia o funcție se numește <i><a href="/wiki/Aritate" title="Aritate">aritatea</a></i> funcției. O funcție care primește un singur argument ca intrare (cum ar fi <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 f(x)=x^{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>f</mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo stretchy="false">)</mo> <mo>=</mo> <msup> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle f(x)=x^{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/84ddac4ae10b1aa4a11741c79771a583419fb1fb" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:9.9ex; height:3.176ex;" alt="{\displaystyle f(x)=x^{2}}"></span>) se numește <a href="/w/index.php?title=Func%C8%9Bie_unar%C4%83&action=edit&redlink=1" class="new" title="Funcție unară — pagină inexistentă">funcție unară</a>. O funcție de două sau mai multe variabile este considerată a avea un <a href="/wiki/Domeniu_de_defini%C8%9Bie" title="Domeniu de definiție">domeniu de definiție</a> format din perechi ordonate sau <a href="/w/index.php?title=Tuplu&action=edit&redlink=1" class="new" title="Tuplu — pagină inexistentă">tupluri</a> ordonate de valori argument. Argumentul unei <a href="/wiki/Func%C8%9Bie_trigonometric%C4%83" title="Funcție trigonometrică">funcții trigonometrice</a> este un <a href="/wiki/Unghi" title="Unghi">unghi</a>. Argumentul unei <a href="/wiki/Func%C8%9Bii_hiperbolice" class="mw-redirect" title="Funcții hiperbolice">funcții hiperbolice</a> este un <a href="/w/index.php?title=Unghi_hiperbolic&action=edit&redlink=1" class="new" title="Unghi hiperbolic — pagină inexistentă">unghi hiperbolic</a>. </p><p>O funcție matematică are unul sau mai multe argumente sub formă de variabile independente descrise în definiție, care pot conține și <a href="/wiki/Parametru" title="Parametru">parametri</a>. Variabilele independente sunt menționate în lista de argumente ale funcției, în timp ce parametrii nu sunt. De exemplu, în <a href="/wiki/Logaritm" title="Logaritm">funcția logaritmică</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 f(x)=\log _{b}(x),}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>f</mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo stretchy="false">)</mo> <mo>=</mo> <msub> <mi>log</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> <mo>⁡<!-- --></mo> <mo stretchy="false">(</mo> <mi>x</mi> <mo stretchy="false">)</mo> <mo>,</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle f(x)=\log _{b}(x),}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7a1a3631d9856e0643f8bba119f58b1953411bdd" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:15.211ex; height:2.843ex;" alt="{\displaystyle f(x)=\log _{b}(x),}"></span> <a href="/wiki/Func%C8%9Bie_exponen%C8%9Bial%C4%83" title="Funcție exponențială">baza</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 b}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>b</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle b}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f11423fbb2e967f986e36804a8ae4271734917c3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:0.998ex; height:2.176ex;" alt="{\displaystyle b}"></span> este considerată un parametru. </p><p>Uneori, pentru a nota argumentele se folosesc <a href="/wiki/Indice" class="mw-disambig" title="Indice">indici</a>. De exemplu, se pot folosi un indice pentru a preciza argumentele față de care se consideră <a href="/wiki/Derivat%C4%83_par%C8%9Bial%C4%83" title="Derivată parțială">derivatele parțiale</a>.<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> </p><p>Din punct de vedere istoric, utilizarea termenului „argument” în acest sens s-a dezvoltat din <a href="/wiki/Astronomie" title="Astronomie">astronomie</a>, care a folosit tabele pentru a determina pozițiile spațiale ale <a href="/wiki/Planet%C4%83" title="Planetă">planetelor</a> din pozițiile lor pe cer. Aceste tabele au fost organizate în funcție de unghiuri măsurate, numite argumente, literalmente „ceea ce elucidează altceva”.<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><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> </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Argumentul_unei_func%C8%9Bii&veaction=edit&section=1" title="Modifică secțiunea: Note" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Argumentul_unei_func%C8%9Bii&action=edit&section=1" title="Edit section's source code: Note"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small columns references-column-count references-column-count-2" style="-moz-column-count: 2; -webkit-column-count: 2; column-count: 2; list-style-type: decimal;"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><b><a href="#cite_ref-1">^</a></b> <span class="reference-text"><span class="plainlinks">„<a rel="nofollow" class="external text" href="http://dexonline.ro/definitie/independentă">independentă</a>” la <a href="/wiki/DEX_online" title="DEX online">DEX online</a></span></span> </li> <li id="cite_note-2"><b><a href="#cite_ref-2">^</a></b> <span class="reference-text"><span style="border:solid 1px #44A; background-color:#EEF; font-family:monospace; color:#008; font-size:0.9em; padding:0px 4px 2px 4px; position:relative; bottom:0.2em; cursor:help;" title="Limba engleză">en</span> <cite class="citation book">Bronshtein, I.N.; Semendyayev, K.A.; Musiol, G.; Muehlig, H. (<time datetime="2007">2007</time>). <i>Handbook of Mathematics</i> (ed. 5th). Berlin Heidelberg New York: Springer. p. 47. <a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Special:Referin%C8%9Be_%C3%AEn_c%C4%83r%C8%9Bi/978-3-540-72121-5" title="Special:Referințe în cărți/978-3-540-72121-5">978-3-540-72121-5</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Handbook+of+Mathematics&rft.place=Berlin+Heidelberg+New+York&rft.pages=47&rft.edition=5th&rft.pub=Springer&rft.date=2007&rft.isbn=978-3-540-72121-5&rft.aulast=Bronshtein&rft.aufirst=I.N.&rft.au=Semendyayev%2C+K.A.&rft.au=Musiol%2C+G.&rft.au=Muehlig%2C+H.&rfr_id=info%3Asid%2Fro.wikipedia.org%3AArgumentul+unei+func%C8%9Bii" class="Z3988"><span style="display:none;"> </span></span><style data-mw-deduplicate="TemplateStyles:r16236537">.mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"„""”""«""»"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}</style></span> </li> <li id="cite_note-3"><b><a href="#cite_ref-3">^</a></b> <span class="reference-text"><span style="border:solid 1px #44A; background-color:#EEF; font-family:monospace; color:#008; font-size:0.9em; padding:0px 4px 2px 4px; position:relative; bottom:0.2em; cursor:help;" title="Limba engleză">en</span> <cite class="citation book">Aleksandrov, A. D.; Kolmogorov, A. N.; Lavrent'ev, M. A., ed. (<time datetime="1963">1963</time>). <i>Mathematics: Its Content, Methods and Meaning</i>. <b>Two</b>. Tradus de S. H. Gould. The MIT Press. p. 121.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Mathematics%3A+Its+Content%2C+Methods+and+Meaning&rft.pages=121&rft.pub=The+MIT+Press&rft.date=1963&rfr_id=info%3Asid%2Fro.wikipedia.org%3AArgumentul+unei+func%C8%9Bii" class="Z3988"><span style="display:none;"> </span></span><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r16236537"></span> </li> <li id="cite_note-4"><b><a href="#cite_ref-4">^</a></b> <span class="reference-text"><span style="border:solid 1px #44A; background-color:#EEF; font-family:monospace; color:#008; font-size:0.9em; padding:0px 4px 2px 4px; position:relative; bottom:0.2em; cursor:help;" title="Limba engleză">en</span> <cite class="citation book">Lo Bello, Anthony (<time datetime="2013">2013</time>). <i>Origins of Mathematical Words</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Origins+of+Mathematical+Words&rft.date=2013&rft.aulast=Lo+Bello&rft.aufirst=Anthony&rfr_id=info%3Asid%2Fro.wikipedia.org%3AArgumentul+unei+func%C8%9Bii" class="Z3988"><span style="display:none;"> </span></span><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r16236537"></span> </li> <li id="cite_note-5"><b><a href="#cite_ref-5">^</a></b> <span class="reference-text"><span style="border:solid 1px #44A; background-color:#EEF; font-family:monospace; color:#008; font-size:0.9em; padding:0px 4px 2px 4px; position:relative; bottom:0.2em; cursor:help;" title="Limba engleză">en</span> <cite class="citation book">Craig, John (<time datetime="1858">1858</time>). <a rel="nofollow" class="external text" href="https://archive.org/details/anewuniversalet02craigoog"><i>A New Universal Etymological, Technological, and Pronouncing Dictionary of the English Language</i></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=A+New+Universal+Etymological%2C+Technological%2C+and+Pronouncing+Dictionary+of+the+English+Language&rft.date=1858&rft.aulast=Craig&rft.aufirst=John&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fanewuniversalet02craigoog&rfr_id=info%3Asid%2Fro.wikipedia.org%3AArgumentul+unei+func%C8%9Bii" class="Z3988"><span style="display:none;"> </span></span><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r16236537"></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Legături_externe"><span id="Leg.C4.83turi_externe"></span>Legături externe</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Argumentul_unei_func%C8%9Bii&veaction=edit&section=2" title="Modifică secțiunea: Legături externe" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Argumentul_unei_func%C8%9Bii&action=edit&section=2" title="Edit section's source code: Legături externe"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="noprint tright portal" style="border:solid #aaa 1px; margin:0.5em 0 0.5em 0.5em;"> <table style="background:var(--background-color-interactive-subtle, #f9f9f9); color:inherit; font-size:85%; line-height:110%; max-width:175px;"> <tbody><tr> <td style="text-align: center;"><span typeof="mw:File"><a href="/wiki/Fi%C8%99ier:Nuvola_apps_edu_mathematics-p-blue.svg" class="mw-file-description"><img alt="Portal icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_mathematics-p-blue.svg/28px-Nuvola_apps_edu_mathematics-p-blue.svg.png" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_mathematics-p-blue.svg/42px-Nuvola_apps_edu_mathematics-p-blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_mathematics-p-blue.svg/56px-Nuvola_apps_edu_mathematics-p-blue.svg.png 2x" data-file-width="128" data-file-height="128" /></a></span> </td> <td style="padding: 0 0.2em; vertical-align: middle; font-style: italic; font-weight: bold"><b><a href="/wiki/Portal:Matematic%C4%83" title="Portal:Matematică">Portal Matematică </a></b> </td></tr> </tbody></table></div> <ul><li><span style="border:solid 1px #44A; background-color:#EEF; font-family:monospace; color:#008; font-size:0.9em; padding:0px 4px 2px 4px; position:relative; bottom:0.2em; cursor:help;" title="Limba engleză">en</span> <cite id="Reference-Mathworld-Argument"><a href="/wiki/Eric_W._Weisstein" title="Eric W. 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