LevMarqFitting Struct Reference

LibRPA: LIBRPA::utils::LevMarqFitting Struct Reference

LibRPA

Non-linear fitting using the Levenberg-Marquardt algorithm. More...

#include <fitting.h>

Public Member Functions
	LevMarqFitting (const LevMarqFitting &s)=delete

	LevMarqFitting (LevMarqFitting &&s)=delete

LevMarqFitting &	operator= (const LevMarqFitting &s)=delete

LevMarqFitting &	operator= (LevMarqFitting &&s)=delete

void	fit (std::vector< double > &pars, const std::vector< double > &xs, const std::vector< double > &ys, const std::function< double(double, const std::vector< double > &)> &func, const std::function< void(std::vector< double > &, double, const std::vector< double > &)> &grad)
	perform the fitting More...

std::vector< double >	fit_eval (std::vector< double > &pars, const std::vector< double > &xs, const std::vector< double > &ys, const std::function< double(double, const std::vector< double > &)> &func, const std::function< void(std::vector< double > &, double, const std::vector< double > &)> &grad, const std::vector< double > &xs_eval)
	perform the fitting and evaluate the functin on a set of abscissa points

Public Attributes
int	d_maxiter
	Maximal number of iterations.

double	d_init_lambda

double	d_up_factor

double	d_down_factor

double	d_target_derr
	Target difference betwee errors of adjacent parameters estimate.

int	d_final_it

double	d_final_err

double	d_final_derr

Detailed Description

Non-linear fitting using the Levenberg-Marquardt algorithm.

void LIBRPA::utils::LevMarqFitting::fit	(	std::vector< double > &	pars,
		const std::vector< double > &	xs,
		const std::vector< double > &	ys,
		const std::function< double(double, const std::vector< double > &)> &	func,
		const std::function< void(std::vector< double > &, double, const std::vector< double > &)> &	grad
	)

perform the fitting

Parameters

[in,out]	pars	initial parameters array, optimized after fitting
[in]	xs	abscissa
[in]	ys	values
[in]	func	function to fit the data against
[in]	grad	gradient with respect to parameters

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