#include "petscmat.h" PetscErrorCode MatRegisterBaseName(const char bname[],const char sname[],const char mname[])
| bname | - the basename, for example, MATAIJ | |
| sname | - the name of the sequential matrix type, for example, MATSEQAIJ | |
| mname | - the name of the parallel matrix type, for example, MATMPIAIJ |