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# MatDestroyMatrices
Destroys an array of matrices. 
## Synopsis
```
#include "petscmat.h" 
PetscErrorCode MatDestroyMatrices(PetscInt n, Mat *mat[])
```
Collective


## Input Parameters

- ***n -*** the number of local matrices
- ***mat -*** the matrices (this is a pointer to the array of matrices)





## Note
Frees not only the matrices, but also the array that contains the matrices


## Fortran Note
This does not free the array.


## See Also
 [](ch_matrices), `Mat`, `MatCreateSubMatrices()` `MatDestroySubMatrices()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/interface/matrix.c.html#MatDestroyMatrices">src/mat/interface/matrix.c</A>


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