PetscErrorCode MatCreateSeqAIJSELL(MPI_Comm comm,PetscInt m,PetscInt n,PetscInt nz,const PetscInt nnz[],Mat *A)Collective
| comm | - MPI communicator, set to PETSC_COMM_SELF | |
| m | - number of rows | |
| n | - number of columns | |
| nz | - number of nonzeros per row (same for all rows) | |
| nnz | - array containing the number of nonzeros in the various rows (possibly different for each row) or NULL |
| A | - the matrix |
| -mat_aijsell_eager_shadow | - Construct shadow matrix upon matrix assembly; default is to take a "lazy" approach, performing this step the first time the matrix is applied |