# MatDestroySeqNonzeroStructure
Destroys matrix obtained with `MatGetSeqNonzeroStructure()`. 
## Synopsis
```
#include "petscmat.h" 
PetscErrorCode MatDestroySeqNonzeroStructure(Mat *mat)
```
Collective


## Input Parameters

- ***mat -*** the matrix (note that this is a pointer to the array of matrices, just to match the calling
sequence of `MatGetSequentialNonzeroStructure()`)





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


## See Also
 `Mat`, `MatGetSeqNonzeroStructure()`

## Level
advanced

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


---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/mat/interface/matrix.c)


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