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GRASS 8 Programmer's Manual 8.6.0dev(2026)-ddeab64dbf
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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.
| G_math_spvector** N_les::Asp |