:orphan: # 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 ## See Also [](ch_snes), `SNES` ## Level developer ## Location src/snes/interface/snesut.c --- [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](/manualpages/index.md) [Index of all manual pages](/manualpages/singleindex.md)