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gnn_lmbfgs.c File Reference

#include <math.h>
#include <gsl/gsl_blas.h>
#include "gnn_utilities.h"
#include "gnn_lmbfgs.h"

Include dependency graph for gnn_lmbfgs.c:

Go to the source code of this file.

Functions
int	gnn_lmbfgs_reset (gnn_trainer *trainer)
	The trainer's "reset" implementation.
int	gnn_lmbfgs_iteration (gnn_lmbfgs *bf, double *A, double *B)
	Computes the A and B coefficients.
int	gnn_lmbfgs_train (gnn_trainer *trainer)
	The trainer's "train" implementation.
void	gnn_lmbfgs_destroy (gnn_trainer *trainer)
	The trainers "destroy" implementation.
gnn_trainer *	gnn_lmbfgs_new (gnn_node *node, gnn_criterion *crit, gnn_dataset *data)
	Creates a new LMBFGS trainer.
int	gnn_lmbfgs_set_tol (gnn_trainer *trainer, double tol)
	Sets the precision tolerance for the line search procedure.
double	gnn_lmbfgs_get_tol (gnn_trainer *trainer)
	Gets the tolerance for the line search procedure.
int	gnn_lmbfgs_set_step (gnn_trainer *trainer, double step)
	Sets the initial step for the interval bracketing procedure.
double	gnn_lmbfgs_get_step (gnn_trainer *trainer)
	Gets the initial step for the interval bracketing procedure.
int	gnn_lmbfgs_set_restart (gnn_trainer *trainer, size_t restart)
	Sets the number of iterations before restarting.
size_t	gnn_lmbfgs_get_restart (gnn_trainer *trainer)
	Gets the number of iterations before reinitializing the direction.
int	gnn_lmbfgs_set_line_search (gnn_trainer *trainer, gnn_line_search_type lsearch)
	Sets the line search procedure.
gnn_line_search_type	gnn_lmbfgs_get_alpha (gnn_trainer *trainer)
	Gets the installed line search procedure.

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Function Documentation

int gnn_lmbfgs_train (  gnn_trainer *    trainer )  [static]

Parameters: trainer  A pointer to a gnn_lmbfgs : Limited Memory BFGS Algorithm.. Returns: Returns 0 if succeeded. Definition at line 182 of file gnn_lmbfgs.c.

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