:orphan:
# MatSeqAIJGetArrayF90
Accesses a matrix array from Fortran. 
## Synopsis
```
MatSeqAIJGetArrayF90(Mat x,{Scalar, pointer :: xx_v(:)},integer ierr)
```
Not Collective


## Input Parameter

- ***x -*** matrix



## Output Parameters

- ***xx_v -*** the Fortran pointer to the array
- ***ierr -*** error code



## Example of Usage
```none
      PetscScalar, pointer xx_v(:)
      ....
      call MatSeqAIJGetArrayF90(x,xx_v,ierr)
      a = xx_v(3)
      call MatSeqAIJRestoreArrayF90(x,xx_v,ierr)
```





## See Also
 [](ch_matrices), `Mat`, `MatSeqAIJRestoreArrayF90()`, `MatSeqAIJGetArray()`, `MatSeqAIJRestoreArray()`, `MatDenseGetArrayF90()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/interface/matrix.c.html#MatSeqAIJGetArrayF90">src/mat/interface/matrix.c</A>


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