# PCMGSetOperators
Sets operator and preconditioning matrix for lth level 
## Synopsis
```
#include "petscksp.h" 
PetscErrorCode PCMGSetOperators(PC pc, PetscInt l, Mat Amat, Mat Pmat)
```
Logically Collective on pc


## Input Parameters

- ***pc  -*** the multigrid context
- ***Amat -*** the operator
- ***pmat -*** the preconditioning operator
- ***l   -*** the level (0 is the coarsest) to supply





## Keywords
  multigrid, set, interpolate, level


## See Also
 `PCMG`, `PCMGSetGalerkin()`, `PCMGSetRestriction()`, `PCMGSetInterpolation()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/mg/mgfunc.c.html#PCMGSetOperators">src/ksp/pc/impls/mg/mgfunc.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/ksp/pc/impls/mg/mgfunc.c)


[Index of all PC routines](index.md)  
[Table of Contents for all manual pages](/docs/manualpages/index.md)  
[Index of all manual pages](/docs/manualpages/singleindex.md)  
