nce.datasets

Class DataFitModel

java.lang.Object

nce.math.FuncRnR1

nce.datasets.DataFitModel

Direct Known Subclasses:

DataFitModelAntoine, DataFitModelSpecHeatEqnTrig, DataFitModelSpecHeatPoly2, DataFitModelWilson

public class DataFitModel
extends FuncRnR1

Basic class to be extended for the definition of a model equation to be fitted to a data set. This function shall return sqrt(sum ((Y_i,exp - Y_i,calc) / Y_i,exp)^2)

Version:

20160212

Author:

Carlo Tegano

Field Summary

Fields

Modifier and Type	Field and Description
double[]	dataX
double[]	dataY
double[]	modelY
double[]	rse

Constructor Summary

Constructors

Constructor and Description
DataFitModel()

Method Summary

Methods

Modifier and Type	Method and Description
void	extractActiveParameters(double[] x)
int	getNoActiveParams()
int	getNoPoints()
double[]	getParams()
double	getRmse()
void	init(double[] dataX, double[] dataY, double[] params0, boolean[] isActiveParameter)
void	setNoActiveParams(int noActiveParams)
void	updateActiveParameters(double[] x)

Methods inherited from class java.lang.Object

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

Field Detail

dataX

public double[] dataX

dataY

public double[] dataY

modelY

public double[] modelY

rse

public double[] rse

Constructor Detail

DataFitModel

public DataFitModel()

Method Detail

init

public void init(double[] dataX,
        double[] dataY,
        double[] params0,
        boolean[] isActiveParameter)

Parameters:

dataX - Experimental abscissa

dataY - Experimental ordinate

params0 - First guess for model parameters and fixed parameters

isActiveParameter - Number of parameters to be optimized

updateActiveParameters

public void updateActiveParameters(double[] x)

extractActiveParameters

public void extractActiveParameters(double[] x)

getNoActiveParams

public int getNoActiveParams()

setNoActiveParams

public void setNoActiveParams(int noActiveParams)

getNoPoints

public int getNoPoints()

getRmse

public double getRmse()

getParams

public double[] getParams()