petsc-3.12.5 2020-03-29
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.
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