org.orangepalantir.leastsquares.fitters

Class NonLinearSolver

java.lang.Object

org.orangepalantir.leastsquares.fitters.NonLinearSolver

All Implemented Interfaces:

Fitter

public class NonLinearSolver
extends Object
implements Fitter

Constructor Summary

Constructors

Constructor and Description
NonLinearSolver(Function funct)

Method Summary

Modifier and Type	Method and Description
void	calculateDerivatives()
double	calculateErrors() returns the cumulative error for current values
void	fitData() Main routine, call this and the Parameters are iterated until it is finished.
double[]	getParameters() Gets the current set of parameters values.
double[]	getUncertainty()
void	initializeWorkspace()
double	iterateValues() Takes the current error, and the current parameter set and calculates the changes, then returns the maximum changed value
void	iterateValuesB()
void	setData(double[][] xvalues, double[] zvalues) Sets the values of of the original data points that are going to be fit.
void	setMinChange(double change) When the parameters change less than the change parameter the program will stop iterating
void	setMinError(double error)
void	setParameters(double[] parameters)
void	setStepSize(double step)

Methods inherited from class java.lang.Object

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

Constructor Detail

NonLinearSolver

public NonLinearSolver(Function funct)

Method Detail

setData

public void setData(double[][] xvalues,
                    double[] zvalues)

Sets the values of of the original data points that are going to be fit.

Specified by:

setData in interface Fitter

setParameters

public void setParameters(double[] parameters)

Specified by:

setParameters in interface Fitter

calculateErrors

public double calculateErrors()

returns the cumulative error for current values

Specified by:

calculateErrors in interface Fitter

calculateDerivatives

public void calculateDerivatives()

iterateValues

public double iterateValues()

Takes the current error, and the current parameter set and calculates the changes, then returns the maximum changed value

iterateValuesB

public void iterateValuesB()

initializeWorkspace

public void initializeWorkspace()

fitData

public void fitData()

Main routine, call this and the Parameters are iterated until it is finished.

Specified by:

fitData in interface Fitter

getParameters

public double[] getParameters()

Gets the current set of parameters values.

Specified by:

getParameters in interface Fitter

getUncertainty

public double[] getUncertainty()

Specified by:

getUncertainty in interface Fitter

setStepSize

public void setStepSize(double step)

setMinError

public void setMinError(double error)

setMinChange

public void setMinChange(double change)

When the parameters change less than the change parameter the program will stop iterating

Parameters:

change -