#include "petscmat.h" PetscErrorCode MatGetBrowsOfAcols(Mat A,Mat B,MatReuse scall,IS *rowb,IS *colb,Mat *B_seq)Collective on Mat
A | - the first matrix in mpiaij format | |
B | - the second matrix in mpiaij format | |
scall | - either MAT_INITIAL_MATRIX or MAT_REUSE_MATRIX |
rowb | - index sets of rows of B to extract (or NULL), modified on output | |
colb | - index sets of columns of B to extract (or NULL), modified on output |
B_seq | - the sequential matrix generated |