:orphan:
# ADD_VALUES
Adds a value into a vector or matrix, if there previously was no value, just puts the value into that location
## See Also
`InsertMode`, `VecSetValues()`, `MatSetValues()`, `VecSetValue()`, `VecSetValuesBlocked()`,
`VecSetValuesLocal()`, `VecSetValuesBlockedLocal()`, `MatSetValuesBlocked()`, `INSERT_VALUES`,
`MatSetValuesBlockedLocal()`, `MatSetValuesLocal()`, `VecScatterBegin()`, `VecScatterEnd()`, `MAX_VALUES`
## Level
beginner
## Location
include/petscsystypes.h
## Examples
src/dm/tutorials/ex1.c
src/dm/tutorials/ex14.c
src/dm/tutorials/ex2.c
src/dm/tutorials/ex20.c
src/dm/tutorials/ex21.c
src/dm/tutorials/ex5.c
src/dm/tutorials/ex7.c
src/dm/tutorials/ex9.c
src/ksp/ksp/tutorials/ex11.c
src/ksp/ksp/tutorials/ex11f.F90
src/ksp/ksp/tutorials/ex15f.F90
---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/include/petscsystypes.h)
[Index of all Sys routines](index.md)
[Table of Contents for all manual pages](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)