PETSc version 3.16.5
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# PCMGSetRhs

Sets the vector to be used to store the right-hand side on a particular level.

### Synopsis

    #include "petscksp.h"
    PetscErrorCode  PCMGSetRhs(PC pc,PetscInt l,Vec c)

Logically Collective on PC

### Input Parameters

| pc | - the multigrid context
| l | - the level (0 is coarsest) this is to be used for
| c | - the Vec

### Notes

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.

### Keywords

MG, multigrid, set, right-hand-side, rhs, level

### See Also

PCMGSetX(), PCMGSetR()

### Level

advanced

### Location

src/ksp/pc/impls/mg/mgfunc.c
Index of all PC routines
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