# MATDUMMY
A matrix type to be used for reusing specific internal data structure. 


## See Also
 `Mat`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/impls/dummy/matdummy.c.html#MATDUMMY">src/mat/impls/dummy/matdummy.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/mat/impls/dummy/matdummy.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)  
