petsc-3.7.1 2016-05-15
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KSPGetComputeEigenvalues

Gets the flag indicating that the extreme eigenvalues values will be calculated via a Lanczos or Arnoldi process as the linear system is solved.

Synopsis

#include "petscksp.h" 
PetscErrorCode  KSPGetComputeEigenvalues(KSP ksp,PetscBool  *flg)
Not Collective Many br

Input Parameter

ksp -iterative context obtained from KSPCreate() Many br

Output Parameter

flg -PETSC_TRUE or PETSC_FALSE Many br

Notes

Currently this option is not valid for all iterative methods. Many br

Many br

Keywords

KSP, set, compute, eigenvalues

See Also

KSPComputeEigenvalues(), KSPComputeEigenvaluesExplicitly()

Level:advanced
Location:
src/ksp/ksp/interface/itfunc.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages