NonLinearFit Class Reference

#include <NonLinearFit.h>

Inheritance diagram for NonLinearFit:

List of all members.

Public Member Functions
QMap< QString, double >	constants ()
int	constantsCount ()
QList< QString >	constantsList ()
double	constValue (const QString &name)
double	eval (double *par, double x)
	Calculates the data for the output fit curve.
virtual QString	legendInfo ()
	Output string added to the plot as a new legend.
	NonLinearFit (ApplicationWindow *parent, Graph *g)
	NonLinearFit (ApplicationWindow *parent, QwtPlotCurve *c)
	NonLinearFit (ApplicationWindow *parent, QwtPlotCurve *c, double start, double end)
	NonLinearFit (ApplicationWindow *parent, Graph *g, const QString &curveTitle)
	NonLinearFit (ApplicationWindow *parent, Graph *g, const QString &curveTitle, double start, double end)
	NonLinearFit (ApplicationWindow *parent, Table *t, const QString &xCol, const QString &yCol, int startRow=1, int endRow=-1)
void	removeConstant (const QString &parName)
void	removeConstants ()
void	setConstant (const QString &parName, double val)
virtual bool	setFormula (const QString &s, bool=true)
virtual bool	setParametersList (const QStringList &lst)
Static Public Member Functions
static QStringList	guessParameters (const QString &s, bool *error=0, string *errMsg=0, const QString &var="x")
Protected Member Functions
FunctionCurve *	insertFitFunctionCurve (const QString &name, int penWidth=1, bool updateData=true)
	Adds the result curve as a FunctionCurve to the plot, if d_gen_function = true.
QString	logFitInfo (int iterations, int status)
	Output string added to the result log.
Private Member Functions
void	calculateFitCurveData (double *X, double *Y)
	Calculates the data for the output fit curve and store itin the X an Y vectors.
void	init ()
virtual bool	removeDataSingularities ()
	Removes any data singularities before fitting.
void	removePole (int index)
Private Attributes
QMap< QString, double >	d_constants

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Constructor & Destructor Documentation

NonLinearFit::NonLinearFit	(	ApplicationWindow *	parent,
		Graph *	g
	)

References init().

NonLinearFit::NonLinearFit	(	ApplicationWindow *	parent,
		QwtPlotCurve *	c
	)

References init(), and Filter::setDataFromCurve().

NonLinearFit::NonLinearFit	(	ApplicationWindow *	parent,
		QwtPlotCurve *	c,
		double	start,
		double	end
	)

References init(), and Filter::setDataFromCurve().

NonLinearFit::NonLinearFit	(	ApplicationWindow *	parent,
		Graph *	g,
		const QString &	curveTitle
	)

References init(), and Filter::setDataFromCurve().

NonLinearFit::NonLinearFit	(	ApplicationWindow *	parent,
		Graph *	g,
		const QString &	curveTitle,
		double	start,
		double	end
	)

References init(), and Filter::setDataFromCurve().

NonLinearFit::NonLinearFit	(	ApplicationWindow *	parent,
		Table *	t,
		const QString &	xCol,
		const QString &	yCol,
		int	startRow = 1,
		int	endRow = -1
	)

References init(), and Fit::setDataFromTable().

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Member Function Documentation

void NonLinearFit::calculateFitCurveData	(	double *	X,
		double *	Y
	)		[private, virtual]

Calculates the data for the output fit curve and store itin the X an Y vectors.

Reimplemented from Fit.

References d_constants, Fit::d_formula, Fit::d_gen_function, Filter::d_n, Fit::d_p, Fit::d_param_names, Filter::d_points, Fit::d_results, Filter::d_x, MyParser::EvalRemoveSingularity(), and Filter::x().

QMap<QString, double> NonLinearFit::constants

(

)

[inline]

Referenced by user_d(), user_df(), and user_f().

int NonLinearFit::constantsCount

(

)

[inline]

QList<QString> NonLinearFit::constantsList

(

)

[inline]

double NonLinearFit::constValue

(

const QString &

name

)

[inline]

double NonLinearFit::eval	(	double *	,
		double
	)		[virtual]

Calculates the data for the output fit curve.

Reimplemented from Fit.

References d_constants, Fit::d_formula, Fit::d_p, Fit::d_param_names, and MyParser::EvalRemoveSingularity().

QStringList NonLinearFit::guessParameters	(	const QString &	s,
		bool *	error = 0,
		string *	errMsg = 0,
		const QString &	var = "x"
	)		[static]

References Fit::formula().

Referenced by FunctionDialog::guessConstants(), FitDialog::guessParameters(), and setFormula().

void NonLinearFit::init

(

)

[private]

Reimplemented from Fit.

References Fit::d_df, Filter::d_explanation, Fit::d_f, Fit::d_fdf, Fit::d_fit_type, Fit::d_formula, Fit::d_fsimplex, Fit::User, user_d(), user_df(), user_f(), and user_fdf().

Referenced by NonLinearFit().

FunctionCurve * NonLinearFit::insertFitFunctionCurve	(	const QString &	name,
		int	penWidth = 1,
		bool	updateData = true
	)		[protected, virtual]

Adds the result curve as a FunctionCurve to the plot, if d_gen_function = true.

Reimplemented from Fit.

References d_constants, Filter::d_points, FunctionCurve::loadData(), and FunctionCurve::setConstant().

QString NonLinearFit::legendInfo

(

)

[virtual]

Output string added to the plot as a new legend.

Reimplemented from Fit.

References d_constants, and Filter::d_prec.

QString NonLinearFit::logFitInfo	(	int	iterations,
		int	status
	)		[protected, virtual]

Output string added to the result log.

Reimplemented from Fit.

References d_constants, and Filter::d_prec.

void NonLinearFit::removeConstant

(

const QString &

parName

)

[inline]

void NonLinearFit::removeConstants

(

)

[inline]

Referenced by FitDialog::accept().

bool NonLinearFit::removeDataSingularities

(

)

[private, virtual]

Removes any data singularities before fitting.

Reimplemented from Fit.

References d_constants, Fit::d_formula, Filter::d_n, Fit::d_p, Fit::d_param_init, Fit::d_param_names, Filter::d_x, MyParser::EvalRemoveSingularity(), and removePole().

void NonLinearFit::removePole

(

int

index

)

[private]

References Filter::d_n, Fit::d_w, Filter::d_x, and Filter::d_y.

Referenced by removeDataSingularities().

void NonLinearFit::setConstant	(	const QString &	parName,
		double	val
	)

References d_constants.

Referenced by FitDialog::accept().

bool NonLinearFit::setFormula	(	const QString &	s,
		bool	guess = true
	)		[virtual]

Reimplemented from Fit.

References d_constants, Fit::d_formula, Filter::d_init_err, Fit::d_p, Fit::d_param_init, Fit::d_param_names, guessParameters(), and setParametersList().

Referenced by FitDialog::accept(), and ApplicationWindow::saveFitFunctions().

bool NonLinearFit::setParametersList

(

const QStringList &

lst

)

[virtual]

Reimplemented from Fit.

References Filter::d_init_err, Fit::d_p, Fit::d_param_explain, Fit::d_param_names, Fit::freeWorkspace(), and Fit::initWorkspace().

Referenced by FitDialog::accept(), and setFormula().

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Member Data Documentation

QMap<QString, double> NonLinearFit::d_constants [private]

Referenced by calculateFitCurveData(), eval(), insertFitFunctionCurve(), legendInfo(), logFitInfo(), removeDataSingularities(), setConstant(), and setFormula().

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The documentation for this class was generated from the following files:

• qtiplot/src/analysis/NonLinearFit.h
• qtiplot/src/analysis/NonLinearFit.cpp