pseudo_inverse.c File Reference

#include <gandalf/linalg/pseudo_inverse.h>
#include <gandalf/linalg/mat_symmetric.h>
#include <gandalf/linalg/mat_diagonal.h>
#include <gandalf/linalg/mat_triangular.h>
#include <gandalf/linalg/mat_gen.h>
#include <gandalf/linalg/vec_gen.h>
#include <gandalf/linalg/mat_lq.h>
#include <gandalf/linalg/matvec_clapack.h>
#include <gandalf/linalg/matvec_blas.h>
#include <gandalf/common/misc_error.h>
#include <gandalf/common/allocate.h>
#include <gandalf/common/compare.h>

Defines
#define	gel(M, i, j)   gan_mat_get_el(M,i,j)
#define	sel(M, i, j, v)   gan_mat_set_el(M,i,j,v)
#define	sgel(M, i, j)   gan_squmat_get_el(M,i,j)
#define	ssel(M, i, j, v)   gan_squmat_set_el(M,i,j,v)
#define	vgel(M, i)   gan_vec_get_el(M,i)
#define	vsel(M, i, v)   gan_vec_set_el(M,i,v)
Functions
Gan_PseudoInverseStruct *	gan_pseudoinv_form (Gan_PseudoInverseStruct *pis, long max_asize, long max_bsize)
	Forms a pseudo-inverse equation solving structure.
void	gan_pseudoinv_free (Gan_PseudoInverseStruct *pis)
	Frees a pseudo-inverse equation solving structure.
Gan_Bool	gan_pseudoinv_reset (Gan_PseudoInverseStruct *pis, long asize, long bsize)
	Initialises a pseudo-inverse equation solver to zero.
Gan_Bool	gan_pseudoinv_increment (Gan_PseudoInverseStruct *pis, double scale,...)
	Decrements a pseudo-inverse equation solver.
Gan_Bool	gan_pseudoinv_decrement (Gan_PseudoInverseStruct *pis, double scale,...)
	Decrements a pseudo-inverse equation solver.
Gan_Bool	gan_pseudoinv_set_constraint (Gan_PseudoInverseStruct *pis, Gan_Matrix *C, Gan_Matrix *D)
	Build a constraint into a system of linear equations.
Gan_Bool	gan_pseudoinv_set_null_space (Gan_PseudoInverseStruct *pis, int null_space)
	Sets the size of the null space in a system of linear equations.
Gan_Bool	gan_pseudoinv_set_ratio_thres (Gan_PseudoInverseStruct *pis, double ratio_thres)
	Sets the threshold on singular value ratios.
Gan_Bool	gan_pseudoinv_set_low_values_allowed (Gan_PseudoInverseStruct *pis, int low_values_allowed)
	Sets the number of allowed low singular values.
Gan_Bool	gan_pseudoinv_solve (Gan_PseudoInverseStruct *pis, int *error_code)
	Solve an accumulated system of linear equations.
Gan_Matrix *	gan_pseudoinv_get_solution (Gan_PseudoInverseStruct *pis)
	Return solution of an accumulated system of linear equations.
Gan_Vector *	gan_pseudoinv_get_null_vector (Gan_PseudoInverseStruct *pis)
	Return a null vector from the solution space.

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Detailed Description

Module: Psseudo-inverse solution of linear system (double precision)

Part of: Gandalf Library

Version:

1.30

Date:

2005/10/18 22:01:51

Author:

pm

Copyright: (c) 2000 Imagineer Software Limited

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