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# DMSNESGetPicard
get `SNES` Picard iteration evaluation functions 
## Synopsis
```
#include "petscsnes.h" 
#include "petscdm.h" 
PetscErrorCode DMSNESGetPicard(DM dm, PetscErrorCode (**b)(SNES, Vec, Vec, void *), PetscErrorCode (**J)(SNES, Vec, Mat, Mat, void *), void **ctx)
```
Not Collective


## Input Parameter

- ***dm -*** `DM` to be used with `SNES`



## Output Parameters

- ***b -*** RHS evaluation function; see `SNESFunction` for details
- ***J  -*** RHS evaluation function; see `SNESJacobianFunction` for detailsa
- ***ctx -*** context for residual evaluation





## See Also
 `DMSNESSetContext()`, `SNESSetFunction()`, `DMSNESSetJacobian()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/utils/dmsnes.c.html#DMSNESGetPicard">src/snes/utils/dmsnes.c</A>


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


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