ParameterEstimator.cpp File Reference

#include "MantidCurveFitting/ParameterEstimator.h"
#include "MantidCurveFitting/Functions/SimpleChebfun.h"
#include "MantidAPI/CompositeFunction.h"
#include "MantidAPI/FunctionDomain1D.h"
#include "MantidAPI/FunctionValues.h"
#include "MantidKernel/Logger.h"
#include <cmath>
#include <mutex>

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Classes
class	Mantid::CurveFitting::ParameterEstimator::LinearFunction
	A linear function. More...

Namespaces
namespace	Mantid
	Helper class which provides the Collimation Length for SANS instruments.
namespace	Mantid::CurveFitting
namespace	Mantid::CurveFitting::ParameterEstimator

Typedefs
using	Mantid::CurveFitting::ParameterEstimator::FunctionMapType = std::map< std::string, std::pair< size_t, Function > >

Enumerations
enum	Mantid::CurveFitting::ParameterEstimator::Function { Mantid::CurveFitting::ParameterEstimator::None , Mantid::CurveFitting::ParameterEstimator::Gaussian , Mantid::CurveFitting::ParameterEstimator::Lorentzian , Mantid::CurveFitting::ParameterEstimator::BackToBackExponential }

Functions
void MANTID_CURVEFITTING_DLL	Mantid::CurveFitting::ParameterEstimator::estimate (API::IFunction &function, const API::FunctionDomain1D &domain, const API::FunctionValues &values)
	ParameterEstimator estimates parameter values of some fitting functions from fitting data.
void	Mantid::CurveFitting::ParameterEstimator::extractValues (const API::FunctionDomain1D &domain, const API::FunctionValues &values, std::vector< double > &x, std::vector< double > &y)
	Extract values from domain and values objects to vectors.
const FunctionMapType &	Mantid::CurveFitting::ParameterEstimator::getFunctionMapType ()
	Returns a reference to the static functionMapType.
double	Mantid::CurveFitting::ParameterEstimator::getPeakCentre (double centre, const SimpleChebfun &der1)
	Improve an estimate of a peak centre.
std::pair< double, double >	Mantid::CurveFitting::ParameterEstimator::getPeakHWHM (double centre, double height, const SimpleChebfun &fun)
	Get displacements from peak centre where peak reaches half the maximum.
std::pair< double, double >	Mantid::CurveFitting::ParameterEstimator::getPeakLeftRightExtent (double centre, const SimpleChebfun &der2)
	Get the peak's extent on either side of the centre.
std::pair< double, double >	Mantid::CurveFitting::ParameterEstimator::getPeakLeftRightWidth (double centre, const SimpleChebfun &der2, size_t n=1)
	Get a measure of peak's width.
double	Mantid::CurveFitting::ParameterEstimator::getPeakWidth (double centre, const SimpleChebfun &der2)
	Estimate a peak width from a second derivative of the data.
void	Mantid::CurveFitting::ParameterEstimator::initFunctionLookup (FunctionMapType &functionMapType)
	Initializes a FunctionMapType object.
bool	Mantid::CurveFitting::ParameterEstimator::needSettingInitialValues (const API::IFunction &function)
	Test if initial values need to be set before fitting.
void	Mantid::CurveFitting::ParameterEstimator::setBackToBackExponential (API::IFunction &function, const SimpleChebfun &fun, const SimpleChebfun &der1, const SimpleChebfun &der2)
	Set initial values to a BackToBackExponential.
void	Mantid::CurveFitting::ParameterEstimator::setValues (API::IFunction &function, const SimpleChebfun &fun, const SimpleChebfun &der1, const SimpleChebfun &der2)
	Set initial values to a function if it needs to.
Function	Mantid::CurveFitting::ParameterEstimator::whichFunction (const API::IFunction &function)
	Return a function code for a function if it needs setting values or None otherwise.

Variables
Kernel::Logger	Mantid::CurveFitting::ParameterEstimator::g_log ("ParameterEstimator")
	The logger.