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 PETSCKSP_DLLEXPORT KSPGetComputeEigenvalues(KSP ksp,PetscTruth *flg)
Collective on KSP
Input Parameter
ksp -iterative context obtained from KSPCreate()
Output Parameter
flg -PETSC_TRUE or PETSC_FALSE
Notes
Currently this option is not valid for all iterative methods.
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