TaoMatGetSubMat#
Gets a submatrix using the IS
Synopsis#
#include "petsctao.h" 
PetscErrorCode TaoMatGetSubMat(Mat M, IS is, Vec v1, TaoSubsetType subset_type, Mat *Msub)
Input Parameters#
- M - the full matrix ( - n x n)
- is - the index set for the submatrix (both row and column index sets need to be the same) 
- v1 - work vector of dimension n, needed for - TAO_SUBSET_MASKoption
- subset_type - the method - Taois using for subsetting
Output Parameter#
- Msub - the submatrix 
See Also#
Level#
developer
Location#
Index of all Tao routines
Table of Contents for all manual pages
Index of all manual pages