PETSc version 3.17.0
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# SNESFASSetRScale

Sets the scaling factor of the restriction operator from level l to l-1.

### Synopsis

    #include "petscsnes.h"
    PetscErrorCode SNESFASSetRScale(SNES snes, PetscInt level, Vec rscale)

### Input Parameters

| snes | - the multigrid context
| rscale | - the restriction scaling
| level | - the level (0 is coarsest) to supply [Do not supply 0]

### Notes

This is only used in the case that the injection is not set.

### See Also

SNESFASSetInjection(), SNESFASSetRestriction()

### Level

advanced

### Location

src/snes/impls/fas/fasfunc.c
Index of all SNESFAS routines
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