:orphan:
# MatDenseResetArray
Resets the matrix array to that it previously had before the call to `MatDensePlaceArray()`
## Synopsis
```
#include "petscmat.h"
PetscErrorCode MatDenseResetArray(Mat mat)
```
Not Collective
## Input Parameter
- ***mat -*** the matrix
## Note
You can only call this after a call to `MatDensePlaceArray()`
## See Also
[](ch_matrices), `Mat`, `MATDENSE`, `MatDenseGetArray()`, `MatDensePlaceArray()`, `VecPlaceArray()`, `VecGetArray()`, `VecRestoreArray()`, `VecReplaceArray()`, `VecResetArray()`
## Level
developer
## Location
src/mat/impls/dense/mpi/mpidense.c
## Implementations
MatDenseResetArray_MPIDense in src/mat/impls/dense/mpi/mpidense.c
MatDenseResetArray_SeqDense in src/mat/impls/dense/seq/dense.c
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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/mat/impls/dense/mpi/mpidense.c)
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