petsc-3.7.1 2016-05-15
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MatCoarsenSetGreedyOrdering

Sets the ordering of the vertices to use with a greedy coarsening method

Synopsis

#include "petscmat.h" 
PetscErrorCode MatCoarsenSetGreedyOrdering(MatCoarsen coarser, const IS perm)
Logically Collective on Coarsen Many br

Input Parameters

coarser - the coarsen context Many br
perm - vertex ordering of (greedy) algorithm Many br

Many br

Notes

The IS weights is freed by PETSc, so user has given this to us Many br

Keywords

Coarsen

See Also

MatCoarsenCreate(), MatCoarsenSetType()

Level:beginner
Location:
src/mat/coarsen/coarsen.c
Index of all MatOrderings routines
Table of Contents for all manual pages
Index of all manual pages