Package org.hortonmachine.gears.utils.math.integration

Class ConvolutionDiffusionWidth

java.lang.Object

org.hortonmachine.gears.utils.math.integration.SimpsonIntegral

org.hortonmachine.gears.utils.math.integration.ConvolutionDiffusionWidth

All Implemented Interfaces:

IntegrableFunction

public class ConvolutionDiffusionWidth
extends SimpsonIntegral
implements IntegrableFunction

Author:

Andrea Antonello (www.hydrologis.com)

Field Summary

Fields inherited from class org.hortonmachine.gears.utils.math.integration.SimpsonIntegral

accuracy, lowerlimit, maxsteps, SIMPSON, strapezoid, TRAPEZOIDAL, upperlimit

Constructor Summary

Constructors

Constructor	Description
ConvolutionDiffusionWidth(double lowerintegrationlimit, double upperintegrationlimit, int maximalsteps, double integrationaccuracy, double[][] ampiFunction, double diffusionparam, double time)	Calculates the integral of the diffusion equation

Method Summary

Modifier and Type	Method	Description
protected double	equation(double x)	Equation to integrate
double	integrate()	Performs integration by means of the method of the function that implements it.
void	updateTime(int newt)

Methods inherited from class org.hortonmachine.gears.utils.math.integration.SimpsonIntegral

simpson, trapezoid

Methods inherited from class java.lang.Object

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

Constructor Detail

ConvolutionDiffusionWidth

public ConvolutionDiffusionWidth(double lowerintegrationlimit,
                                 double upperintegrationlimit,
                                 int maximalsteps,
                                 double integrationaccuracy,
                                 double[][] ampiFunction,
                                 double diffusionparam,
                                 double time)

Calculates the integral of the diffusion equation

Parameters:

lowerintegrationlimit - - the lower limit of integration

upperintegrationlimit - - the upper limit of integration

maximalsteps - - maximal number of bins in which to divide the interval

integrationaccuracy - - value of accuracy of integration

ampiFunction -

diffusionparam -

time -

integrationtype -

Method Detail

updateTime

public void updateTime(int newt)

integrate

public double integrate()

Description copied from interface: IntegrableFunction

Performs integration by means of the method of the function that implements it.

Specified by:

integrate in interface IntegrableFunction

Returns:

the value of the integration

equation

protected double equation(double x)

Description copied from class: SimpsonIntegral

Equation to integrate

Specified by:

equation in class SimpsonIntegral

Parameters:

x - - point in which to calculate the function

Returns: