OpenTURNS

An Open source initiative for the Treatment of Uncertainties, Risks'N Statistics

SpecFunc_DiGammaInv¶

SpecFunc_DiGammaInv(a)¶

Inverse of the DiGamma function.

$DiGammaInv(x) = \Psi^{-1} (x)$

Parameters

xfloat

Returns

resultfloat

See also

SpecFunc_DiGamma