:orphan: # MatISGetMPIXAIJ Converts `MATIS` matrix into a parallel `MATAIJ` format ## Synopsis ``` #include "petscmat.h" PetscErrorCode MatISGetMPIXAIJ(Mat mat, MatReuse reuse, Mat *newmat) ``` ## Input Parameters - ***mat -*** the matrix (should be of type `MATIS`) - ***reuse -*** either `MAT_INITIAL_MATRIX` or `MAT_REUSE_MATRIX` ## Output Parameter - ***newmat -*** the matrix in `MATAIJ` format ## Note This function has been deprecated and it will be removed in future releases. Update your code to use the `MatConvert()` interface. ## See Also [](ch_matrices), `Mat`, `MATIS`, `MatConvert()` ## Level deprecated ## Location src/mat/impls/is/matis.c --- [Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/mat/impls/is/matis.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)