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LerchPhi






Mathematica Notation

Traditional Notation









Zeta Functions and Polylogarithms > LerchPhi[z,s,a] > Differentiation > Fractional integro-differentiation > With respect to a > For Phi^(z,s,a)





http://functions.wolfram.com/10.06.20.0014.01









  


  










Input Form





D[LerchPhiClassical[z, s, a], {a, \[Alpha]}] == (Gamma[1 - s] a^(-s - \[Alpha]))/Gamma[1 - s - \[Alpha]] + Sum[(z^k HypergeometricPFQRegularized[{1, s}, {1 - \[Alpha]}, -(a/k)])/ k^s, {k, 1, Infinity}]/a^\[Alpha] /; Abs[z] < 1 && Re[s] > 1










Standard Form





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MathML Form







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</mo> <msup> <mi> a </mi> <mrow> <mo> - </mo> <mi> &#945; </mi> </mrow> </msup> </mrow> </mrow> </mrow> <mo> /; </mo> <mrow> <mrow> <mrow> <semantics> <mo> &#10072; </mo> <annotation encoding='Mathematica'> &quot;\[LeftBracketingBar]&quot; </annotation> </semantics> <mi> z </mi> <semantics> <mo> &#10072; </mo> <annotation encoding='Mathematica'> &quot;\[RightBracketingBar]&quot; </annotation> </semantics> </mrow> <mo> &lt; </mo> <mn> 1 </mn> </mrow> <mo> &#8743; </mo> <mrow> <mrow> <mi> Re </mi> <mo> &#8289; </mo> <mo> ( </mo> <mi> s </mi> <mo> ) </mo> </mrow> <mo> &gt; </mo> <mn> 1 </mn> </mrow> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <ci> Condition </ci> <apply> <eq /> <apply> <partialdiff /> <bvar> <ci> a </ci> <degree> <ci> &#945; </ci> </degree> </bvar> <apply> <ci> LerchPhi </ci> <ci> z </ci> <ci> s </ci> <ci> a </ci> </apply> </apply> <apply> <plus /> <apply> <times /> <apply> <ci> Gamma </ci> <apply> <plus /> <cn type='integer'> 1 </cn> <apply> <times /> <cn type='integer'> -1 </cn> <ci> s </ci> </apply> </apply> </apply> <apply> <power /> <ci> a </ci> <apply> <plus /> <apply> <times /> <cn type='integer'> -1 </cn> <ci> s </ci> </apply> <apply> <times /> <cn type='integer'> -1 </cn> <ci> &#945; 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Rule Form





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Date Added to functions.wolfram.com (modification date)





2001-10-29