:orphan:
# VecSqrtAbs
Replaces each component of a vector by the square root of its magnitude.
## Synopsis
```
#include "petscvec.h"
PetscErrorCode VecSqrtAbs(Vec v)
```
Not Collective
## Input Parameter
- ***v -*** The vector
## Note
The actual function is sqrt(|x_i|)
## See Also
`Vec`, `VecLog()`, `VecExp()`, `VecReciprocal()`, `VecAbs()`
## Level
beginner
## Location
src/vec/vec/utils/vinv.c
## Examples
src/tao/constrained/tutorials/tomographyADMM.c
src/tao/tutorials/ex4.c
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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/vec/vec/utils/vinv.c)
[Index of all Vec routines](index.md)
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