slepc-3.17.2 2022-08-09
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# EPSLanczosSetReorthog

Sets the type of reorthogonalization used during the Lanczos iteration.

### Synopsis

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

Logically Collective on eps

### Input Parameters

| eps | - the eigenproblem solver 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

EPSLanczosGetReorthog(), EPSLanczosReorthogType

Location: src/eps/impls/krylov/lanczos/lanczos.c
Index of all EPS routines
Table of Contents for all manual pages
Index of all manual pages