: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
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/impls/dense/mpi/mpidense.c.html#MatDenseResetArray">src/mat/impls/dense/mpi/mpidense.c</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/impls/dense/mpi/mpidense.c.html#MatDenseResetArray_MPIDense">MatDenseResetArray_MPIDense in src/mat/impls/dense/mpi/mpidense.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/impls/dense/seq/dense.c.html#MatDenseResetArray_SeqDense">MatDenseResetArray_SeqDense in src/mat/impls/dense/seq/dense.c</A><BR>


---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/mat/impls/dense/mpi/mpidense.c)


[Index of all Mat routines](index.md)  
[Table of Contents for all manual pages](/manualpages/index.md)  
[Index of all manual pages](/manualpages/singleindex.md)  
