petsc-3.10.5 2019-03-28
MatCreateSubMatrixFree
Creates a reduced matrix by masking a full matrix.
Synopsis
#include "petsctao.h"
#include "submatfree.h"
PetscErrorCode MatCreateSubMatrixFree(Mat mat,IS Rows, IS Cols, Mat *J)
Collective on matrix
Input Parameters
| mat | - matrix of arbitrary type
|
| Rows | - the rows that will be in the submatrix
|
| Cols | - the columns that will be in the submatrix
|
Output Parameters
J -New matrix
Notes
The caller is responsible for destroying the input objects after matrix J has been destroyed.
See Also
MatCreate()
Level
developer
Location
src/tao/matrix/submatfree.c
Index of all Tao routines
Table of Contents for all manual pages
Index of all manual pages