IncompleteGamma

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IncompleteGamma

See also: IncompleteBeta, LnGamma, Erf, ErfApprox

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IncompleteGamma

Declaration: IncompleteGamma (x, a: double): double;

The function IncompleteGamma returns the incomplete Gamma function P(x,a). The parameters x and a may assume values greater than 0. The incomplete gamma function is defined as follows: