PCMGSetR#
Sets the vector to be used to store the residual on a particular level.
Synopsis#
#include "petscksp.h"
PetscErrorCode PCMGSetR(PC pc, PetscInt l, Vec c)
Logically Collective
Input Parameters#
pc - the multigrid context
l - the level (0 is coarsest) this is to be used for
c - the Vec
Note#
If this is not provided PETSc will automatically generate one. You do not need to keep a reference to this vector if you do not need it. PCDestroy() will properly free it.
See Also#
PCMG, PCMGSetRhs(), PCMGSetX()
Level#
advanced
Location#
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages