Package com.irurueta.numerical.integration

Class ExponentialMidPointQuadrature

java.lang.Object

com.irurueta.numerical.integration.Quadrature

com.irurueta.numerical.integration.MidPointQuadrature

com.irurueta.numerical.integration.ExponentialMidPointQuadrature

public class ExponentialMidPointQuadrature
extends MidPointQuadrature

This is an exact replacement for MidPointQuadrature, except that upper limit is assumed to be infinite. It is assumed that the function decreases exponentially rapidly at infinity.

Field Summary

Fields inherited from class com.irurueta.numerical.integration.MidPointQuadrature

listener

Fields inherited from class com.irurueta.numerical.integration.Quadrature

n

Constructor Summary

Constructors

Constructor	Description
ExponentialMidPointQuadrature(double a, SingleDimensionFunctionEvaluatorListener listener)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected double	func(double x)	Evaluates function at f(-log(x))/x.
QuadratureType	getType()	Gets type of quadrature.

Methods inherited from class com.irurueta.numerical.integration.MidPointQuadrature

getA, getB, getS, next

Methods inherited from class com.irurueta.numerical.integration.Quadrature

getN

Methods inherited from class java.lang.Object

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

Constructor Details

ExponentialMidPointQuadrature

public ExponentialMidPointQuadrature(double a,
 SingleDimensionFunctionEvaluatorListener listener)

Constructor.

Parameters:

a - Lower limit of integration.

listener - listener to evaluate a single dimension function at required points.

Method Details

getType

public QuadratureType getType()

Gets type of quadrature.

Overrides:

getType in class MidPointQuadrature

Returns:

type of quadrature.

func

protected double func(double x)
               throws EvaluationException

Evaluates function at f(-log(x))/x.

Overrides:

func in class MidPointQuadrature

Parameters:

x - point where function is evaluated.

Returns:

result of evaluation.

Throws:

EvaluationException - if evaluation fails.