petsc-3.9.4 2018-09-11
PCGalerkinSetRestriction
Sets the restriction operator for the "Galerkin-type" preconditioner
Synopsis
#include "petscksp.h"
PetscErrorCode PCGalerkinSetRestriction(PC pc,Mat R)
Logically Collective on PC
Input Parameter
| pc | - the preconditioner context
|
| R | - the restriction operator
|
Notes: Either this or PCGalerkinSetInterpolation() or both must be called
Keywords
PC, set, Galerkin preconditioner
See Also
PCCreate(), PCSetType(), PCType (for list of available types), PCGALERKIN,
PCGalerkinSetInterpolation(), PCGalerkinGetKSP()
Level
Intermediate
Location
src/ksp/pc/impls/galerkin/galerkin.c
Implementations
PCGalerkinSetRestriction_Galerkin in src/ksp/pc/impls/galerkin/galerkin.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages