Package com.irurueta.numerical.integration

Class InfinityMidPointQuadrature

java.lang.Object

com.irurueta.numerical.integration.Quadrature

com.irurueta.numerical.integration.MidPointQuadrature

com.irurueta.numerical.integration.InfinityMidPointQuadrature

public class InfinityMidPointQuadrature
extends MidPointQuadrature

This is an exact replacement for MidPointQuadrature i.e., returns the nth stage of refinement of the integral of a function from "a" to "b", except that the function is evaluated at evenly spaced points in 1=x rather than in x. This allows the upper limit "b" to be as large and positive as the computer allows, or the lower limit "a" to be as large and negative, but not both. "a" and "b" must have the same sign.

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
InfinityMidPointQuadrature(double a, double b, SingleDimensionFunctionEvaluatorListener listener)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected double	func(double x)	Evaluates function at 1/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

InfinityMidPointQuadrature

public InfinityMidPointQuadrature(double a,
 double b,
 SingleDimensionFunctionEvaluatorListener listener)

Constructor.

Parameters:

a - Lower limit of integration.

b - Upper 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 1/x.

Overrides:

func in class MidPointQuadrature

Parameters:

x - point where function is evaluated.

Returns:

result of evaluation.

Throws:

EvaluationException - if evaluation fails.