EPSLanczosSetReorthog#

Sets the type of reorthogonalization used during the Lanczos iteration.

Synopsis#

#include "slepceps.h" 
PetscErrorCode EPSLanczosSetReorthog(EPS eps,EPSLanczosReorthogType reorthog)

Logically Collective

Input Parameters#

  • eps - the linear eigensolver context

  • reorthog - the type of reorthogonalization

Options Database Key#

  • -eps_lanczos_reorthog - Sets the reorthogonalization type (either ‘local’, ‘selective’, ‘periodic’, ‘partial’, ‘full’ or ‘delayed’)

See Also#

EPS: Eigenvalue Problem Solver, EPSLanczosGetReorthog(), EPSLanczosReorthogType

Level#

advanced

Location#

src/eps/impls/krylov/lanczos/lanczos.c

Implementations#

EPSLanczosSetReorthog_Lanczos() in src/eps/impls/krylov/lanczos/lanczos.c

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