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variants of this functions
PolyGamma




Mathematica Notation

Traditional Notation









Gamma, Beta, Erf > PolyGamma[nu,z] > Representations through more general functions > Through hypergeometric functions > Involving pFq





http://functions.wolfram.com/06.15.26.0001.01









  


  








Input Form





PolyGamma[1, z] == Pi^2/6 - 2 (z - 1) HypergeometricPFQ[{1, 1, 1, 2 - z}, {2, 2, 2}, 1] + (z - 1)^2 HypergeometricPFQ[{1, 1, 2 - z}, {2, 2}, 1]^2








Standard Form





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MathML Form







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Rule Form





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





2001-10-29