o2scl::smooth_gsl Class Reference

Smooth a GSL vector using GSL bsplines. More...

#include <smooth_gsl.h>

Detailed Description

Todo:

Needs a bit more error checking and more documentation.

Idea for Future:

Generalize to generic vector types. (Does this require reworking the GSL linear fitting routines? Doesn't matter now, the GSL linear fitting routines are now reworked.)

Idea for Future:

Possibly create a new gsl_bspline class which replaces the GSL bspline workspace

Idea for Future:

Allow user to probe chi squared and the covariance?

Definition at line 57 of file smooth_gsl.h.

Public Member Functions
	smooth_gsl (const gsl_vector *ix)
	Begin using x-values from vector ix.
void	set_ncoeff (int incoeffs)
	Set the number of coefficients.
void	set_order (int order)
	Set order.
void	set_pars (int incoeffs, int order)
	Set parameters.
void	set_x (const gsl_vector *ix)
	Set the x-values. More...
int	smooth_data (const gsl_vector *y, const gsl_vector *e, gsl_vector *ys)
	Smooth data in y with errors e returning result ys.
int	smooth_data (const gsl_vector *y, gsl_vector *ys)
	Smooth data in y returning result ys.

Protected Member Functions
int	fit (const gsl_vector *y)
	Construct un-weighted fit.
int	fit_errors (const gsl_vector *y, const gsl_vector *e)
	Construct weighted fit.
double	calc_for_x (double xi)
	calculate smoothed curve value for a certain xi
int	init ()
	Allocate memory and initialize splines. More...
void	init_pointers_and_defs ()
	Set default values and zero pointers.
int	free ()
	Free memory.

Protected Attributes
size_t	ncoeffs
	Number of free coefficients for spline.
size_t	norder
	Order of spline to be used (4=cubic)
size_t	nbreak
	internally calculated, number of "segment" to split the data into
bool	x_set
	True of the x values have been set.
gsl_bspline_workspace *	bw
	Spline workspace.
gsl_vector *	B
	Spline temporary vector.
gsl_vector *	c
	Parameters of linear fit, y=X*c.
gsl_multifit_linear_workspace *	mw
	Linear fit workspace.
gsl_matrix *	X
	Workspace for spline fitting.
const gsl_vector *	x
	Values of the independent variable.
gsl_matrix *	cov
	Covariance matrix.

Member Function Documentation

init()

int o2scl::smooth_gsl::init ( )

protected

set_x()

void o2scl::smooth_gsl::set_x ( const gsl_vector *  ix )

inline

Definition at line 99 of file smooth_gsl.h.

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

• /home/awsteiner/wcs/o2scl/src/other/smooth_gsl.h