de.torstennahm.integrate
Class ProductIntegrator

java.lang.Object
  de.torstennahm.integrate.Integrator<de.torstennahm.math.Function>
      de.torstennahm.integrate.ProductIntegrator

public class ProductIntegrator
extends Integrator<de.torstennahm.math.Function>

This type of integrator performs integration by scaling up a set of one-dimensional nodes and weights using the tensor product approach. Because integration by Integrator subclasses is open-ended, the integrator successively doubles the target number of evaluations and then finds a tensor product grid that approximates this number. This process is repeated until the stop condition is fulfilled.

Author:

Torsten Nahm

Constructor Summary

ProductIntegrator(Generator generator)

Method Summary

IntegrationResult

integrate(de.torstennahm.math.Function integrand, StopCondition condition, java.util.List<Visualizer> visualizers) Performs numerical integration of the integrand until the given condition is fulfilled.

Methods inherited from class de.torstennahm.integrate.Integrator

integrate, integrateAbsTol, integrateAbsTol, integrateByPoints, integrateByPoints, integrateRelTol, integrateRelTol

Methods inherited from class java.lang.Object

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

Constructor Detail

ProductIntegrator

public ProductIntegrator(Generator generator)

Method Detail

integrate

public IntegrationResult integrate(de.torstennahm.math.Function integrand,
                                   StopCondition condition,
                                   java.util.List<Visualizer> visualizers)
                            throws IntegrationFailedException

Description copied from class: Integrator

Performs numerical integration of the integrand until the given condition is fulfilled.

Specified by:

integrate in class Integrator<de.torstennahm.math.Function>

Parameters:

integrand - object to be integrated

condition - stop condition

visualizers - list of visualizers or null for no visualization

Returns:

result of integration

Throws:

IntegrationFailedException - if an integration error occurs