com.mockturtlesolutions.snifflib.util

Class ContFracIncGamma

java.lang.Object

com.mockturtlesolutions.snifflib.util.AbstractIncGammaAlgorithm

com.mockturtlesolutions.snifflib.util.ContFracIncGamma

All Implemented Interfaces:

IncGammaAlgorithm

public class ContFracIncGamma
extends AbstractIncGammaAlgorithm

Uses the Lentz method with a continued fraction approximation to the incomplete gamma function.

Field Summary

Fields

Modifier and Type	Field and Description
protected Lentz	lentz

Fields inherited from class com.mockturtlesolutions.snifflib.util.AbstractIncGammaAlgorithm

gam

Constructor Summary

Constructors

Constructor and Description
ContFracIncGamma()

Method Summary

Methods

Modifier and Type	Method and Description
DblMatrix	incGamma(DblMatrix x, DblMatrix alpha)
DblMatrix	lowerIncGamma(DblMatrix x, DblMatrix alpha)
DblMatrix	lowerNormIncGamma(DblMatrix x, DblMatrix alpha)
DblMatrix	upperIncGamma(DblMatrix x, DblMatrix alpha)
DblMatrix	upperNormIncGamma(DblMatrix x, DblMatrix alpha)

Methods inherited from class com.mockturtlesolutions.snifflib.util.AbstractIncGammaAlgorithm

normIncGamma

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

lentz

protected Lentz lentz

Constructor Detail

ContFracIncGamma

public ContFracIncGamma()

Method Detail

lowerIncGamma

public DblMatrix lowerIncGamma(DblMatrix x,
                      DblMatrix alpha)

upperIncGamma

public DblMatrix upperIncGamma(DblMatrix x,
                      DblMatrix alpha)

lowerNormIncGamma

public DblMatrix lowerNormIncGamma(DblMatrix x,
                          DblMatrix alpha)

upperNormIncGamma

public DblMatrix upperNormIncGamma(DblMatrix x,
                          DblMatrix alpha)

incGamma

public DblMatrix incGamma(DblMatrix x,
                 DblMatrix alpha)

Specified by:

incGamma in interface IncGammaAlgorithm

Specified by:

incGamma in class AbstractIncGammaAlgorithm