:orphan:
# MatFinalizePackage
This function destroys everything in the Petsc interface to the `Mat` package. It is called from `PetscFinalize()`. 
## Synopsis
```
PetscErrorCode MatFinalizePackage(void)
```



## See Also
 `Mat`, `PetscFinalize()`, `MatInitializePackage()`

## Level
developer

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


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


[Index of all Mat routines](index.md)  
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