petsc-3.11.3 2019-06-26
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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