#include "petscsnes.h" PetscErrorCode SNESFASSetRestriction(SNES snes, PetscInt level, Mat mat)
|snes||- the multigrid context|
|mat||- the restriction matrix|
|level||- the level (0 is coarsest) to supply [Do not supply 0]|
One can pass in the interpolation matrix or its transpose; PETSc figures out from the matrix size which one it is.
If you do not set this, the transpose of the Mat set with SNESFASSetInterpolation() is used.
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages