petsc-master 2019-04-19
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PCMGGetInjection

Gets the function to be used to inject primal vectors from level l to l-1.

Synopsis

#include "petscksp.h" 
PetscErrorCode  PCMGGetInjection(PC pc,PetscInt l,Mat *mat)
Logically Collective on PC and Mat

Input Parameters

pc - the multigrid context
l - the level (0 is coarsest) to supply [Do not supply 0]

Output Parameter

mat -the restriction matrix (may be NULL if no injection is available).

Keywords

MG, get, multigrid, restriction, injection, level

See Also

PCMGSetInjection(), PCMGetGetRestriction()

Level

advanced

Location

src/ksp/pc/impls/mg/mgfunc.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages