petsc-3.11.4 2019-09-28
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 SNESFAS routines
Table of Contents for all manual pages
Index of all manual pages