MatCoarsenSetStrengthIndex

Index array to use for index to use for strength of connection

Synopsis

#include "petscmat.h" 
PetscErrorCode MatCoarsenSetStrengthIndex(MatCoarsen coarse, PetscInt n, PetscInt idx[])

Logically Collective

Input Parameters

• coarse - the coarsen context

• n - number of indices

• idx - array of indices

Options Database Key

• -mat_coarsen_strength_index - array of subset of variables per vertex to use for strength norm, -1 for using all (default)

See Also

MatCoarsen, MatCoarsenType, MatCoarsenApply(), MatCoarsenCreate(), MatCoarsenSetType()

Level

intermediate

Location

src/mat/graphops/coarsen/coarsen.c

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Index of all MatGraphOperations routines
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Index of all manual pages