:orphan: # MatDenseGetArrayF90 Accesses a matrix array from Fortran ## Synopsis ``` MatDenseGetArrayF90(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 MatDenseGetArrayF90(x,xx_v,ierr) a = xx_v(3) call MatDenseRestoreArrayF90(x,xx_v,ierr) ``` ## See Also [](ch_matrices), `Mat`, `MatDenseRestoreArrayF90()`, `MatDenseGetArray()`, `MatDenseRestoreArray()`, `MatSeqAIJGetArrayF90()` ## Level advanced ## Location src/mat/interface/matrix.c --- [Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/mat/interface/matrix.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)