drasys.or.prob
Class IncompleteGamma

java.lang.Object
  |
  +--drasys.or.Functions
        |
        +--drasys.or.prob.IncompleteGamma

public class IncompleteGamma

extends Functions

implements FunctionI

An implementation of the incomplete gamma function.

References:

The Art of Computer Programming: Seminumerical Algorithms (Vol 2, 3rd Ed)
    Donald Ervin Knuth; Hardcover
Numerical Recipes in C : The Art of Scientific Computing
    William H. Press, et al / Hardcover / Published 1993
Probability and Statistics
    Morris H. Degroot / Hardcover / Published 1986
Mathematical Statistics With Applications
    Dennis D. Wackerly, et al / Hardcover / Published 1996

See Also:

Serialized Form

Constructor Summary

IncompleteGamma(double a)

 

Method Summary
double	function(double x)           Compute the incomplete gamma value for 'x'.
void	setEpsilon(double epsilon)           Sets the relative error of the approximation.
void	setMaxIterations(int max)           Sets the maximum number of iterations for the approximation.

 

Methods inherited from class drasys.or.Functions

binomialCoefficient, lnFactorial, lnGamma

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

IncompleteGamma

public IncompleteGamma(double a)

setMaxIterations

public void setMaxIterations(int max)

Sets the maximum number of iterations for the approximation.

setEpsilon

public void setEpsilon(double epsilon)

Sets the relative error of the approximation.

function

public double function(double x)
                throws ProbError

Compute the incomplete gamma value for 'x'.

Specified by:

function in interface FunctionI