MatCoarsenApply#

Gets a coarsen for a matrix.

Synopsis#

#include "petscmatcoarsen.h" 
PetscErrorCode MatCoarsenApply(MatCoarsen coarser)

Collective

Input Parameter#

  • coarsen - the coarsen

Options Database Keys#

  • -mat_coarsen_type mis|hem|misk - set the coarsening type

  • -mat_coarsen_view - view the coarsening object

Notes#

Use MatCoarsenGetData() to access the results of the coarsening

The user can define additional coarsens; see MatCoarsenRegister().

See Also#

MatCoarsen, MatCoarseSetFromOptions(), MatCoarsenSetType(), MatCoarsenRegister(), MatCoarsenCreate(), MatCoarsenDestroy(), MatCoarsenSetAdjacency() MatCoarsenGetData()

Level#

advanced

Location#

src/mat/coarsen/coarsen.c

Implementations#

MatCoarsenApply_HEM in src/mat/coarsen/impls/hem/hem.c
MatCoarsenApply_MIS in src/mat/coarsen/impls/mis/mis.c
MatCoarsenApply_MISK in src/mat/coarsen/impls/misk/misk.c


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