petsc-3.5.0 2014-06-30
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MatIncreaseOverlap

Given a set of submatrices indicated by index sets, replaces the index sets by larger ones that represent submatrices with additional overlap.

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatIncreaseOverlap(Mat mat,PetscInt n,IS is[],PetscInt ov)
Collective on Mat

Input Parameters

mat - the matrix
n - the number of index sets
is - the array of index sets (these index sets will changed during the call)
ov - the additional overlap requested

See Also

MatGetSubMatrices()

Level:developer
Location:
src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages