petsc-3.7.7 2017-09-25
SNESFASSetInjection
Sets the function to be used to inject the solution from level l to l-1.
Synopsis
#include "petscsnes.h"
PetscErrorCode SNESFASSetInjection(SNES snes, PetscInt level, Mat mat)
Input Parameters
+ snes - the multigrid context
mat -the restriction matrix
level -the level (0 is coarsest) to supply [Do not supply 0]
Notes
If you do not set this, the restriction and rscale is used to
project the solution instead.
Keywords
FAS, MG, set, multigrid, restriction, level
See Also
SNESFASSetInterpolation(), SNESFASSetRestriction()
Level:advanced
Location:src/snes/impls/fas/fasfunc.c
Index of all SNES routines
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