petsc-3.7.3 2016-07-24
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# 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
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages