petsc-3.8.4 2018-03-24
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
Index of all MatOrderings routines
Table of Contents for all manual pages
Index of all manual pages