petsc-3.7.7 2017-09-25
   
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
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