:orphan: # VecViewFromOptions View a vector based on values in the options database ## Synopsis ``` #include "petscvec.h" PetscErrorCode VecViewFromOptions(Vec A, PetscObject obj, const char name[]) ``` Collective ## Input Parameters - ***A -*** the vector - ***obj -*** Optional object that provides the options prefix for this viewing - ***name -*** command line option ## Note See `PetscObjectViewFromOptions()` to see the `PetscViewer` and PetscViewerFormat` available ## See Also [](ch_vectors), `Vec`, `VecView`, `PetscObjectViewFromOptions()`, `VecCreate()` ## Level intermediate ## Location src/vec/vec/interface/vector.c ## Examples src/dm/dt/dualspace/impls/lagrange/tutorials/ex2.c
src/dm/impls/plex/tutorials/ex7.c
src/dm/impls/swarm/tutorials/ex1.c
src/mat/tutorials/ex3.c
src/mat/tutorials/ex5cu.cu
src/mat/tutorials/ex5k.kokkos.cxx
src/snes/tutorials/ex12.c
src/snes/tutorials/ex13.c
src/snes/tutorials/ex17.c
src/snes/tutorials/ex20.c
src/snes/tutorials/ex23.c
--- [Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/vec/vec/interface/vector.c) [Index of all Vec routines](index.md) [Table of Contents for all manual pages](/manualpages/index.md) [Index of all manual pages](/manualpages/singleindex.md)