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  • MatPartition...

MatPartitioningHierarchicalSetNcoarseparts#

Set the number of coarse partitions produced by a hierarchical MatPartitioning.

Synopsis#

#include "petscmat.h" 
PetscErrorCode MatPartitioningHierarchicalSetNcoarseparts(MatPartitioning part, PetscInt ncoarseparts)

Logically Collective

Input Parameters#

  • part - the MatPartitioning of type MATPARTITIONINGHIERARCH

  • ncoarseparts - the number of coarse partitions

See Also#

MatPartitioning, MATPARTITIONINGHIERARCH, MatPartitioningHierarchicalSetNfineparts(), MatPartitioningHierarchicalGetCoarseparts()

Level#

advanced

Location#

src/mat/graphops/partition/impls/hierarchical/hierarchical.c

Examples#

src/mat/tests/ex193.c
src/mat/tests/ex82.c
src/mat/tests/ex83.c
src/ksp/ksp/tutorials/ex64.c


Index of all MatGraphOperations routines
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Last updated on 2026-09-28T23:19:25-0500 (v3.26.0-2-g3c5cfaeaff0b).