# MatProductGetMats
Returns the matrices associated with the matrix-matrix product this matrix can receive 
## Synopsis
```
#include "petscmat.h" 
PetscErrorCode MatProductGetMats(Mat mat, Mat *A, Mat *B, Mat *C)
```
Not collective


## Input Parameter

- ***mat -*** the product matrix



## Output Parameters

- ***A -*** the first matrix
- ***B -*** the second matrix
- ***C -*** the third matrix (optional)





## See Also
 `Mat`, `MatProductCreateWithMat()`, `MatProductSetType()`, `MatProductSetAlgorithm()`, `MatProductCreate()`

## Level
intermediate

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


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


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