:orphan:
# SNESResetFromOptions
Sets various `SNES` and `KSP` parameters from user options ONLY if the `SNESSetFromOptions()` was previously set from options 
## Synopsis
```
#include "petscsnes.h"  
PetscErrorCode SNESResetFromOptions(SNES snes)
```
Collective


## Input Parameter

- ***snes -*** the `SNES` context





## See Also
 [](ch_snes), `SNES`, `SNESSetFromOptions()`, `SNESSetOptionsPrefix()`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/interface/snes.c.html#SNESResetFromOptions">src/snes/interface/snes.c</A>


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