:orphan: # 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 src/snes/impls/fas/fasfunc.c --- [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](/manualpages/index.md) [Index of all manual pages](/manualpages/singleindex.md)