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GRASS GIS 8 Programmer's Manual
8.4.2dev(2025)-5620950973
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#include <stdio.h>#include <math.h>#include <unistd.h>#include <grass/gis.h>#include <grass/interpf.h>#include <grass/gmath.h>
Go to the source code of this file.
Functions | |
| int | IL_matrix_create (struct interp_params *params, struct triple *points, int n_points, double **matrix, int *indx) |
| int | IL_matrix_create_alloc (struct interp_params *params, struct triple *points, int n_points, double **matrix, int *indx, double *A) |
| Creates system of linear equations from interpolated points. More... | |
| int IL_matrix_create | ( | struct interp_params * | params, |
| struct triple * | points, | ||
| int | n_points, | ||
| double ** | matrix, | ||
| int * | indx | ||
| ) |
Definition at line 37 of file matrix.c.
References G_alloc_vector(), IL_matrix_create_alloc(), interp_params::KMAX2, and NULL.
| int IL_matrix_create_alloc | ( | struct interp_params * | params, |
| struct triple * | points, | ||
| int | n_points, | ||
| double ** | matrix, | ||
| int * | indx, | ||
| double * | A | ||
| ) |
Creates system of linear equations from interpolated points.
Creates system of linear equations represented by matrix using given points and interpolating function interp()
| params | struct interp_params * | |
| points | points for interpolation as struct triple | |
| n_points | number of points | |
| [out] | matrix | the matrix |
| indx |
Definition at line 69 of file matrix.c.
References r.
Referenced by IL_matrix_create().