MatSubMatrixVirtualUpdate
Updates a submatrix
Synopsis
#include "petscmat.h"
PetscErrorCode MatSubMatrixVirtualUpdate(Mat N,Mat A,IS isrow,IS iscol)
Collective on Mat
Input Parameters
| N | - submatrix to update
|
| A | - full matrix in the submatrix
|
| isrow | - rows in the update (same as the first time the submatrix was created)
|
| iscol | - columns in the update (same as the first time the submatrix was created)
|
Notes
Most will use MatCreateSubMatrix which provides a more efficient representation if it is available.
See Also
MatCreateSubMatrixVirtual()
Level
developer
Location
src/mat/impls/submat/submat.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages