Package com.irurueta.numerical.integration

Class LowerSquareRootMidPointQuadrature

java.lang.Object

com.irurueta.numerical.integration.Quadrature

com.irurueta.numerical.integration.MidPointQuadrature

com.irurueta.numerical.integration.LowerSquareRootMidPointQuadrature

public class LowerSquareRootMidPointQuadrature
extends MidPointQuadrature

This is an exact replacement for MidPointQuadrature, except that it allows for an inverse square-root singularity in the integrand at the lower limit "a".

Field Summary

Fields

Modifier and Type	Field	Description
private final double	aOrig	Original lower bound of integration.

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

Method Summary

Modifier and Type	Method	Description
protected double	func(double x)	Evaluates function at 2*x*f(a0+x^2).
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

Field Details

aOrig

private final double aOrig

Original lower bound of integration.

Constructor Details

LowerSquareRootMidPointQuadrature

public LowerSquareRootMidPointQuadrature(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 2*x*f(a0+x^2).

Overrides:

func in class MidPointQuadrature

Parameters:

x - point where function is evaluated.

Returns:

result of evaluation.

Throws:

EvaluationException - if evaluation fails.