# SNESSetWorkVecs
Gets a number of work vectors to be used internally by `SNES` solvers 
## Synopsis
```
#include "petsc/private/snesimpl.h"   
PetscErrorCode SNESSetWorkVecs(SNES snes, PetscInt nw)
```

## Input Parameters

- ***snes  -*** the `SNES` context
- ***nw -*** number of work vectors to allocate





## Level
developer

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


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


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