Java org.apache.commons.math3.special Gamma fields, constructors, methods, implement or subclass

Example usage for Java org.apache.commons.math3.special Gamma fields, constructors, methods, implement or subclass

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Introduction

In this page you can find the methods, fields and constructors for org.apache.commons.math3.special Gamma.

The text is from its open source code.

Field

doubleLANCZOS_G
The value of the g constant in the Lanczos approximation, see #lanczos(double) .

Constructor

Gamma()
Default constructor.

Method

doubledigamma(double x)

Computes the digamma function of x.

This is an independently written implementation of the algorithm described in Jose Bernardo, Algorithm AS 103: Psi (Digamma) Function, Applied Statistics, 1976.

Some of the constants have been changed to increase accuracy at the moderate expense of run-time.

doublelogGamma(double x)

Returns the value of log Γ(x) for x > 0.

doubleregularizedGammaP(double a, double x, double epsilon, int maxIterations)
Returns the regularized gamma function P(a, x).
doubleregularizedGammaP(double a, double x)
Returns the regularized gamma function P(a, x).
doubleregularizedGammaQ(double a, double x)
Returns the regularized gamma function Q(a, x) = 1 - P(a, x).
doubletrigamma(double x)
Computes the trigamma function of x.