?? gamma.h
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/*---------------------------------------------------------------------- File : gamma.h Contents: computation of the (incomplete) gamma function Author : Christian Borgelt History : 2002.07.04 file created 2002.08.02 function Gamma added 2003.05.19 incomplete Gamma function added 2008.03.14 more incomplete Gamma functions added 2008.03.17 gamma distribution functions added----------------------------------------------------------------------*/#ifndef __GAMMA__#define __GAMMA__/*---------------------------------------------------------------------- Functions----------------------------------------------------------------------*/extern double logGamma (double n);extern double Gamma (double n);extern double lowerGamma (double n, double x);extern double upperGamma (double n, double x);extern double GammaP (double n, double x);extern double GammaQ (double n, double x);extern double Gammapdf (double x, double k, double theta);extern double Gammacdf (double x, double k, double theta);extern double GammacdfP (double x, double k, double theta);extern double GammacdfQ (double x, double k, double theta);extern double Gammaqtl (double prob, double k, double theta);extern double GammaqtlP (double prob, double k, double theta);extern double GammaqtlQ (double prob, double k, double theta);/*---------------------------------------------------------------------- Preprocessor Definitions----------------------------------------------------------------------*/#define Gammacdf(x,k,t) GammaP(k,(x)/(t))#define GammacdfP(x,k,t) GammaP(k,(x)/(t))#define GammacdfQ(x,k,t) GammaQ(k,(x)/(t))#endif?? 快捷鍵說明
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