OpenTURNS

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

SpecFunc_IGamma1pm1¶

SpecFunc_IGamma1pm1(a)¶

IGamma1pm1 function.

$\forall x \in \Rset, \quad IGamma1pm1(a, x) = \int_0^x t^{a-1}\exp(-t)\di{t}$

Parameters

xfloat

Returns

resultfloat