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variants of this functions
PolyGamma






Mathematica Notation

Traditional Notation









Gamma, Beta, Erf > PolyGamma[nu,z] > Series representations





Generalized power series

Expansions at generic point z==z0

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Expansions on branch cuts

General case

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Expansions at z==0

For the function itself

General case

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Special cases

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Expansions at z==-m

For the function itself

General case

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Special cases

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Expansions of psi(nu)(-m+Epsilon) at Epsilon==0

For the function itself

Special cases

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