com.numericalmethod.suanshu.analysis.differentiation.univariate
Class DGamma

java.lang.Object
  com.numericalmethod.suanshu.analysis.function.rn2r1.UnivariateRealFunction
      com.numericalmethod.suanshu.analysis.differentiation.univariate.DGamma

All Implemented Interfaces:

Function, RealScalarFunction

public class DGamma
extends UnivariateRealFunction

This class represents the first order derivative function of the Gamma function.

 dΓ(x)
 -----
  dx
 

See Also:

Gamma

Nested Class Summary

Nested classes/interfaces inherited from interface com.numericalmethod.suanshu.analysis.function.Function

Function.EvaluationException

Constructor Summary

DGamma()

Method Summary

double

evaluate(double x) Evaluate the derivative of the Gamma function.

Methods inherited from class com.numericalmethod.suanshu.analysis.function.rn2r1.UnivariateRealFunction

dimension4Domain, dimension4Range, evaluate

Methods inherited from class java.lang.Object

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

Constructor Detail

DGamma

public DGamma()

Method Detail

evaluate

public double evaluate(double x)

Evaluate the derivative of the Gamma function.

Specified by:

evaluate in class UnivariateRealFunction

Parameters:

x - x

Returns:

dΓ(x)/dx