:orphan:
# MatProductGetMats
Returns the matrices associated with the matrix-matrix product associated with computing values for the given matrix 
## Synopsis
```
#include "petscmat.h" 
PetscErrorCode MatProductGetMats(Mat mat, Mat *A, Mat *B, Mat *C)
```
Not Collective


## Input Parameter

- ***mat -*** the matrix whose values are to be computed via a matrix-matrix product operation



## Output Parameters

- ***A -*** the first matrix
- ***B -*** the second matrix
- ***C -*** the third matrix (may be `NULL` for some `MatProductType`)





## See Also
 [](ch_matrices), `MatProduct`, `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>


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


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