# SNESFASCycleGetInterpolation
Gets the interpolation on this level 
## Synopsis
```
#include "petscsnes.h"  
PetscErrorCode SNESFASCycleGetInterpolation(SNES snes, Mat *mat)
```
Logically Collective


## Input Parameter

- ***snes   -*** the `SNESFAS` nonlinear multigrid context



## Output Parameter

- ***mat    -*** the interpolation operator on this level





## See Also
 `SNESFAS`, `SNESFASCycleGetSmootherUp()`, `SNESFASCycleGetSmoother()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/impls/fas/fasfunc.c.html#SNESFASCycleGetInterpolation">src/snes/impls/fas/fasfunc.c</A>


---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/snes/impls/fas/fasfunc.c)


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