GRASS GIS 8 Programmer's Manual
8.2.2dev(2023)-3d2c704037
|
The linear equation system (les) structure. More...
#include <N_pde.h>
Data Fields | |
double * | x |
double * | b |
double ** | A |
G_math_spvector ** | Asp |
int | rows |
int | cols |
int | quad |
int | type |
The linear equation system (les) structure.
This structure manages the Ax = b system. It manages regular quadratic matrices or sparse matrices. The vector b and x are normal one dimensional memory structures of type double. Also the number of rows and the matrix type are stored in this structure.
double** N_les::A |
Definition at line 76 of file N_pde.h.
Referenced by N_assemble_les_2d_param(), N_assemble_les_3d_param(), N_free_les(), N_les_integrate_dirichlet_2d(), N_les_integrate_dirichlet_3d(), and N_print_les().
G_math_spvector** N_les::Asp |
Definition at line 77 of file N_pde.h.
Referenced by N_free_les(), N_les_integrate_dirichlet_2d(), N_les_integrate_dirichlet_3d(), and N_print_les().
double* N_les::b |
Definition at line 75 of file N_pde.h.
Referenced by N_assemble_les_2d_param(), N_assemble_les_3d_param(), N_free_les(), N_les_integrate_dirichlet_2d(), N_les_integrate_dirichlet_3d(), and N_print_les().
int N_les::cols |
Definition at line 79 of file N_pde.h.
Referenced by N_les_integrate_dirichlet_2d(), N_les_integrate_dirichlet_3d(), and N_print_les().
int N_les::rows |
Definition at line 78 of file N_pde.h.
Referenced by N_free_les(), N_les_integrate_dirichlet_2d(), N_les_integrate_dirichlet_3d(), and N_print_les().
int N_les::type |
Definition at line 81 of file N_pde.h.
Referenced by N_free_les(), N_les_integrate_dirichlet_2d(), N_les_integrate_dirichlet_3d(), and N_print_les().
double* N_les::x |
Definition at line 74 of file N_pde.h.
Referenced by N_assemble_les_2d_param(), N_assemble_les_3d_param(), N_free_les(), and N_print_les().