PolynomialFit Class Reference

#include <PolynomialFit.h>

Inheritance diagram for PolynomialFit:

List of all members.

Public Member Functions
virtual double	eval (double *par, double x)
	Calculates the data for the output fit curve.
void	fit ()
	Actually does the fit. Should be reimplemented in derived classes.
virtual QString	legendInfo ()
	Output string added to the plot as a new legend.
int	order ()
	PolynomialFit (ApplicationWindow *parent, Table *t, const QString &xCol, const QString &yCol, int startRow=1, int endRow=-1, int order=2, bool legend=false)
	PolynomialFit (ApplicationWindow *parent, Graph *g, QString &curveTitle, double start, double end, int order=2, bool legend=false)
	PolynomialFit (ApplicationWindow *parent, Graph *g, QString &curveTitle, int order=2, bool legend=false)
	PolynomialFit (ApplicationWindow *parent, Graph *g, int order=2, bool legend=false)
void	setOrder (int order)
Static Public Member Functions
static QString	generateFormula (int order)
static QStringList	generateParameterList (int order)
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 ()
Private Attributes
int	d_order
bool	show_legend

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Constructor & Destructor Documentation

PolynomialFit::PolynomialFit	(	ApplicationWindow *	parent,
		Graph *	g,
		int	order = 2,
		bool	legend = false
	)

References init().

PolynomialFit::PolynomialFit	(	ApplicationWindow *	parent,
		Graph *	g,
		QString &	curveTitle,
		int	order = 2,
		bool	legend = false
	)

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

PolynomialFit::PolynomialFit	(	ApplicationWindow *	parent,
		Graph *	g,
		QString &	curveTitle,
		double	start,
		double	end,
		int	order = 2,
		bool	legend = false
	)

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

PolynomialFit::PolynomialFit	(	ApplicationWindow *	parent,
		Table *	t,
		const QString &	xCol,
		const QString &	yCol,
		int	startRow = 1,
		int	endRow = -1,
		int	order = 2,
		bool	legend = false
	)

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

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Member Function Documentation

void PolynomialFit::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 Fit::d_gen_function, Filter::d_n, Fit::d_p, Filter::d_points, Fit::d_results, Filter::d_x, and Filter::x().

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

Calculates the data for the output fit curve.

Reimplemented from Fit.

References Fit::d_p, and Filter::y().

void PolynomialFit::fit

(

)

[virtual]

Actually does the fit. Should be reimplemented in derived classes.

Reimplemented from Fit.

References Fit::chi_2, Fit::covar, Filter::d_init_err, Filter::d_n, Fit::d_p, Fit::d_param_init, Fit::d_results, Fit::d_w, Fit::d_weighting, Filter::d_x, Filter::d_y, Fit::generateFitCurve(), Fit::logFitInfo(), Fit::NoWeighting, show_legend, Filter::showLegend(), ApplicationWindow::updateLog(), ApplicationWindow::writeFitResultsToLog, and Filter::y().

Referenced by PolynomFitDialog::fit().

QString PolynomialFit::generateFormula

(

int

order

)

[static]

References Fit::formula().

Referenced by setOrder().

QStringList PolynomialFit::generateParameterList

(

int

order

)

[static]

Referenced by setOrder().

void PolynomialFit::init

(

)

[private]

Reimplemented from Fit.

References Filter::d_explanation, d_order, Fit::d_scale_errors, Fit::is_non_linear, and setOrder().

Referenced by PolynomialFit().

QString PolynomialFit::legendInfo

(

)

[virtual]

Output string added to the plot as a new legend.

Reimplemented from Fit.

References Fit::d_p, Filter::d_prec, Fit::d_results, and ApplicationWindow::locale().

int PolynomialFit::order

(

)

[inline]

References d_order.

void PolynomialFit::setOrder

(

int

order

)

References Fit::d_formula, d_order, Fit::d_p, Fit::d_param_explain, Fit::d_param_names, Fit::freeWorkspace(), generateFormula(), generateParameterList(), and Fit::initWorkspace().

Referenced by init().

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Member Data Documentation

int PolynomialFit::d_order [private]

Referenced by init(), order(), and setOrder().

bool PolynomialFit::show_legend [private]

Referenced by fit().

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

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