#include "petscmat.h" PetscErrorCode MatAYPX(Mat Y,PetscScalar a,Mat X,MatStructure str)Logically on Mat
| a | - the PetscScalar multiplier | |
| Y | - the first matrix | |
| X | - the second matrix | |
| str | - either SAME_NONZERO_PATTERN, DIFFERENT_NONZERO_PATTERN or SUBSET_NONZERO_PATTERN |