PolyGamma
PolyGamma[z] gives the digamma function ψ(z).
PolyGamma[n,z] gives the nth derivative of the digamma function ψ(n)(z).
Please visit the official Wolfram Language Reference for more details and examples on core symbols.
PolyGamma[z] gives the digamma function ψ(z).
PolyGamma[n,z] gives the nth derivative of the digamma function ψ(n)(z).
Please visit the official Wolfram Language Reference for more details and examples on core symbols.