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gnn_conjugate_gradient.c File Reference

#include <math.h>
#include "gnn_conjugate_gradient.h"

Include dependency graph for gnn_conjugate_gradient.c:

Go to the source code of this file.

Functions
int	gnn_conjugate_gradient_reset (gnn_trainer *trainer)
	The trainer's "reset" implementation.
int	gnn_conjugate_gradient_train (gnn_trainer *trainer)
	The trainer's "train" implementation.
void	gnn_conjugate_gradient_destroy (gnn_trainer *trainer)
	The trainers "destroy" implementation.
gnn_trainer *	gnn_conjugate_gradient_new (gnn_node *node, gnn_criterion *crit, gnn_dataset *data)
	Creates a new conjugate gradient descent trainer.
double	gnn_conjugate_gradient_polak_ribiere (gnn_trainer *trainer)
	The Polak-Ribière form for the coefficient.
double	gnn_conjugate_gradient_hestenes_stiefel (gnn_trainer *trainer)
	The Hestenes-Stiefel form for the coefficient.
double	gnn_conjugate_gradient_fletcher_reeves (gnn_trainer *trainer)
	The Fletcher-Reeves form for the coefficient.
int	gnn_conjugate_gradient_set_tol (gnn_trainer *trainer, double tol)
	Sets the precision tolerance for the line search procedure.
double	gnn_conjugate_gradient_get_tol (gnn_trainer *trainer)
	Gets the tolerance for the line search procedure.
int	gnn_conjugate_gradient_set_step (gnn_trainer *trainer, double step)
	Sets the initial step for the interval bracketing procedure.
double	gnn_conjugate_gradient_get_step (gnn_trainer *trainer)
	Gets the initial step for the interval bracketing procedure.
int	gnn_conjugate_gradient_set_restart (gnn_trainer *trainer, size_t restart)
	Sets the number of iterations before restarting.
size_t	gnn_conjugate_gradient_get_restart (gnn_trainer *trainer)
	Gets the number of iterations before reinitializing the direction.
int	gnn_conjugate_gradient_set_line_search (gnn_trainer *trainer, gnn_line_search_type lsearch)
	Sets the line search procedure.
gnn_line_search_type	gnn_conjugate_gradient_get_alpha (gnn_trainer *trainer)
	Gets the installed line search procedure.
int	gnn_conjugate_gradient_set_beta (gnn_trainer *trainer, gnn_conjugate_gradient_beta beta)
	Sets the form of the coefficient.
gnn_conjugate_gradient_beta	gnn_conjugate_gradient_get_beta (gnn_trainer *trainer)
	Gets the evaluation function.

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Function Documentation

int gnn_conjugate_gradient_train (  gnn_trainer *    trainer )  [static]

Parameters: trainer  A pointer to a gnn_conjugate_gradient : Conjugate Gradient Descent Algorithm.. Returns: Returns 0 if succeeded. Definition at line 130 of file gnn_conjugate_gradient.c.

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