Matrix Elements VB-800 Bedienungsanleitung PDF herunterladen (Seite 57)

A2.5 Ox exported mathematics functions 49

DErf, DExpInt, DExpInte, DExpInt1

double DErf(double x);

double DExpInt(double x);

double DExpInte(double x);

double DExpInt1(double x);

Return value

DErf returns the error function erf(x).

DExpInt returns the exponential integral Ei(x).

DExpInte returns the exponential integral exp(−x)Ei(x).

DExpInt1 returns the exponential integral E1(x).

DGamma, DGammaFunc

double DGamma(double z);

double DGammaFunc(double dX, double dR);

Return value

DGamma returns the complete gamma function Γ(z).

DGammaFunc returns the incomplete gamma function G

(r).

DGetInvertEps

double DGetInvertEps(void);

double DGetInvertEpsNorm(MATRIX mA, int cA);

Return value

DGetInvertEps returns inversion epsilon, 

inv

,seeSetInvertEps.

DGetInvertEpsNorm returns 

inv

||A||

∞

DLogGamma

double DLogGamma(double dA);

Return value

Returns the logarithm of the gamma function.

DPolyGamma

double DPolyGamma(double dA, int n);

Return value

Returns the derivatives of the loggamma function; n =0is ﬁrst derivative:

digamma function, and so on.

DProb...

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Matrix Elements VB-800 Bedienungsanleitung Seite 57