#include "petscsnes.h" PetscErrorCode SNESFASSetInterpolation(SNES snes, PetscInt level, Mat mat)
|snes||- the multigrid context|
|mat||- the interpolation operator|
|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.
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages