ExponentialFit.h
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/***************************************************************************
File : fitclasses.h
Project : QtiPlot
--------------------------------------------------------------------
Copyright : (C) 2006 by Ion Vasilief
Email (use @ for *) : ion_vasilief*yahoo.fr
Description : Exponential fit classes
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, *
* Boston, MA 02110-1301 USA *
* *
***************************************************************************/
#ifndef EXPONENTIALFIT_H
#define EXPONENTIALFIT_H
#include "Fit.h"
class ExponentialFit : public Fit
{
Q_OBJECT
public:
ExponentialFit(ApplicationWindow *parent, QwtPlotCurve *c, bool expGrowth = false);
ExponentialFit(ApplicationWindow *parent, QwtPlotCurve *c, double start, double end, bool expGrowth = false);
ExponentialFit(ApplicationWindow *parent, Graph *g, bool expGrowth = false);
ExponentialFit(ApplicationWindow *parent, Graph *g, const QString& curveTitle, bool expGrowth = false);
ExponentialFit(ApplicationWindow *parent, Graph *g, const QString& curveTitle,
double start, double end, bool expGrowth = false);
ExponentialFit(ApplicationWindow *parent, Table *t, const QString& xCol, const QString& yCol, int startRow = 1, int endRow = -1, bool expGrowth = false);
double eval(double *par, double x){return par[0]*exp(-x/par[1]) + par[2];};
bool isExponentialGrowth(){return is_exp_growth;};
private:
void init();
void customizeFitResults();
void calculateFitCurveData(double *X, double *Y);
bool is_exp_growth;
};
class TwoExpFit : public Fit
{
Q_OBJECT
public:
TwoExpFit(ApplicationWindow *parent, QwtPlotCurve *c);
TwoExpFit(ApplicationWindow *parent, QwtPlotCurve *c, double start, double end);
TwoExpFit(ApplicationWindow *parent, Graph *g);
TwoExpFit(ApplicationWindow *parent, Graph *g, const QString& curveTitle);
TwoExpFit(ApplicationWindow *parent, Graph *g, const QString& curveTitle, double start, double end);
TwoExpFit(ApplicationWindow *parent, Table *t, const QString& xCol, const QString& yCol, int startRow = 1, int endRow = -1);
double eval(double *par, double x){return par[0]*exp(-x/par[1]) + par[2]*exp(-x/par[3]) + par[4];};
private:
void init();
void calculateFitCurveData(double *X, double *Y);
};
class ThreeExpFit : public Fit
{
Q_OBJECT
public:
ThreeExpFit(ApplicationWindow *parent, QwtPlotCurve *c);
ThreeExpFit(ApplicationWindow *parent, QwtPlotCurve *c, double start, double end);
ThreeExpFit(ApplicationWindow *parent, Graph *g);
ThreeExpFit(ApplicationWindow *parent, Graph *g, const QString& curveTitle);
ThreeExpFit(ApplicationWindow *parent, Graph *g, const QString& curveTitle, double start, double end);
ThreeExpFit(ApplicationWindow *parent, Table *t, const QString& xCol, const QString& yCol, int startRow = 1, int endRow = -1);
double eval(double *par, double x){return par[0]*exp(-x/par[1]) + par[2]*exp(-x/par[3]) + par[4]*exp(-x/par[5]) + par[6];};
private:
void init();
void calculateFitCurveData(double *X, double *Y);
};
#endif
ThreeExpFit
Definition: ExponentialFit.h:77
Fit.h
ExponentialFit
Definition: ExponentialFit.h:34
ExponentialFit::customizeFitResults
void customizeFitResults()
Customs and stores the fit results according to the derived class specifications. Used by exponential...
Definition: ExponentialFit.cpp:109
Graph
A 2D-plotting widget.
Definition: Graph.h:123
TwoExpFit
Definition: ExponentialFit.h:58
ThreeExpFit::eval
double eval(double *par, double x)
Calculates the data for the output fit curve.
Definition: ExponentialFit.h:89
Fit
Fit base class.
Definition: Fit.h:44
ApplicationWindow
QtiPlot&#39;s main window.
Definition: ApplicationWindow.h:133
ExponentialFit::calculateFitCurveData
void calculateFitCurveData(double *X, double *Y)
Calculates the data for the output fit curve and store itin the X an Y vectors.
Definition: ExponentialFit.cpp:115
ExponentialFit::eval
double eval(double *par, double x)
Calculates the data for the output fit curve.
Definition: ExponentialFit.h:47
ExponentialFit::ExponentialFit
ExponentialFit(ApplicationWindow *parent, QwtPlotCurve *c, bool expGrowth=false)
Definition: ExponentialFit.cpp:38
ExponentialFit::init
void init()
Definition: ExponentialFit.cpp:85
TwoExpFit::eval
double eval(double *par, double x)
Calculates the data for the output fit curve.
Definition: ExponentialFit.h:70
ExponentialFit::isExponentialGrowth
bool isExponentialGrowth()
Definition: ExponentialFit.h:48
Filter::x
double * x()
Returns the x values of the input data set.
Definition: Filter.h:98
Table
MDI window providing a spreadsheet table with column logic.
Definition: Table.h:57
ExponentialFit::is_exp_growth
bool is_exp_growth
Definition: ExponentialFit.h:55