MATMPIBAIJ = "mpibaij" - A matrix type to be used for distributed block sparse matrices.
Options Database Keys
-mat_type mpibaij
- sets the matrix type to "mpibaij" during a call to MatSetFromOptions()
-mat_block_size <bs>
- set the blocksize used to store the matrix
-mat_use_hash_table <fact>
Notes
MatSetOptions(,MAT_STRUCTURE_ONLY,PETSC_TRUE) may be called for this matrix type. In this no
space is allocated for the nonzero entries and any entries passed with MatSetValues() are ignored