Mantid::CurveFitting::Algorithms::FitData Struct Reference

Structure to contain least squares data and used by GSL. More...

Public Member Functions
	FitData (Fit1D *fit, const std::string &fixed)
	Constructor. More...

Public Attributes
std::vector< bool >	active
	Holds a boolean for each parameter, true if it's active or false if it's fixed. More...
Fit1D *	fit1D
	pointer to instance of Fit1D More...
double *	forSimplexLSwrap
	Needed to use the simplex algorithm within the gsl least-squared framework. More...
JacobianImpl	J
	Jacobi matrix interface. More...
size_t	n
	number of points to be fitted (size of X, Y and sigmaData arrays) More...
size_t	p
	number of (active) fit parameters More...
double *	parameters
	A copy of the parameters. More...
double *	sigmaData
	the standard deviations of the Y data points More...
double *	X
	the data to be fitted (abscissae) More...
const double *	Y
	the data to be fitted (ordinates) More...

Detailed Description

Structure to contain least squares data and used by GSL.

Definition at line 82 of file Fit1D.cpp.

Constructor & Destructor Documentation

FitData()

Mantid::CurveFitting::Algorithms::FitData::FitData	(	Fit1D *	fit,
		const std::string &	fixed
	)

Constructor.

Parameters

fit	:: A pointer to the Fit1D class
fixed	:: A list of comma separated names of the fixed parameters.

Definition at line 725 of file Fit1D.cpp.

References active, fit1D, J, Mantid::CurveFitting::Algorithms::JacobianImpl::m_map, Mantid::CurveFitting::Algorithms::Fit1D::m_parameterNames, p, and Mantid::Kernel::StringTokenizer::TOK_TRIM.

Member Data Documentation

active

std::vector<bool> Mantid::CurveFitting::Algorithms::FitData::active

Holds a boolean for each parameter, true if it's active or false if it's fixed.

Definition at line 105 of file Fit1D.cpp.

Referenced by Mantid::CurveFitting::Algorithms::Fit1D::exec(), and FitData().

fit1D

Fit1D* Mantid::CurveFitting::Algorithms::FitData::fit1D

pointer to instance of Fit1D

Definition at line 96 of file Fit1D.cpp.

Referenced by FitData().

forSimplexLSwrap

double* Mantid::CurveFitting::Algorithms::FitData::forSimplexLSwrap

Needed to use the simplex algorithm within the gsl least-squared framework.

Will store output function values from gsl_f

Definition at line 100 of file Fit1D.cpp.

Referenced by Mantid::CurveFitting::Algorithms::Fit1D::exec(), and Mantid::CurveFitting::Algorithms::gsl_costFunction().

J

JacobianImpl Mantid::CurveFitting::Algorithms::FitData::J

Jacobi matrix interface.

Definition at line 107 of file Fit1D.cpp.

Referenced by FitData().

n

size_t Mantid::CurveFitting::Algorithms::FitData::n

number of points to be fitted (size of X, Y and sigmaData arrays)

Definition at line 86 of file Fit1D.cpp.

Referenced by Mantid::CurveFitting::Algorithms::Fit1D::exec().

p

size_t Mantid::CurveFitting::Algorithms::FitData::p

number of (active) fit parameters

Definition at line 88 of file Fit1D.cpp.

Referenced by Mantid::CurveFitting::Algorithms::Fit1D::exec(), and FitData().

parameters

double* Mantid::CurveFitting::Algorithms::FitData::parameters

A copy of the parameters.

Definition at line 102 of file Fit1D.cpp.

Referenced by Mantid::CurveFitting::Algorithms::Fit1D::exec(), Mantid::CurveFitting::Algorithms::gsl_df(), and Mantid::CurveFitting::Algorithms::gsl_f().

sigmaData

double* Mantid::CurveFitting::Algorithms::FitData::sigmaData

the standard deviations of the Y data points

Definition at line 94 of file Fit1D.cpp.

Referenced by Mantid::CurveFitting::Algorithms::Fit1D::exec().

X

double* Mantid::CurveFitting::Algorithms::FitData::X

the data to be fitted (abscissae)

Definition at line 90 of file Fit1D.cpp.

Referenced by Mantid::CurveFitting::Algorithms::Fit1D::exec().

Y

const double* Mantid::CurveFitting::Algorithms::FitData::Y

the data to be fitted (ordinates)

Definition at line 92 of file Fit1D.cpp.

Referenced by Mantid::CurveFitting::Algorithms::Fit1D::exec().

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The documentation for this struct was generated from the following file:

• Framework/CurveFitting/src/Algorithms/Fit1D.cpp