petsc-3.14.6 2021-03-30
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MatPartitioningChacoSetEigenSolver

 Set eigensolver method for Chaco partitioner.

Synopsis

#include "petscmat.h" 
PetscErrorCode MatPartitioningChacoSetEigenSolver(MatPartitioning part,MPChacoEigenType method)
Collective on MatPartitioning

Input Parameters

part - the partitioning context
method - one of MP_CHACO_LANCZOS or MP_CHACO_RQI

Options Database

-mat_partitioning_chaco_eigen_solver <method> - the eigensolver

Notes

The default is to use a Lanczos method. See Chaco documentation for details.

See Also

MatPartitioningChacoSetEigenTol(),MatPartitioningChacoSetEigenNumber(),
MatPartitioningChacoGetEigenSolver()

Level

advanced

Location

src/mat/partition/impls/chaco/chaco.c

Implementations

MatPartitioningChacoSetEigenSolver_Chaco in src/mat/partition/impls/chaco/chaco.c

Index of all MatOrderings routines
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Index of all manual pages