slepc-3.23.1 2025-05-01
   
PEPQArnoldiSetRestart
Sets the restart parameter for the Q-Arnoldi method, in particular the proportion of basis vectors that must be kept after restart. 
Synopsis
#include "slepcpep.h" 
PetscErrorCode PEPQArnoldiSetRestart(PEP pep,PetscReal keep)
Logically Collective
Input Parameters
|  | pep | - the eigenproblem solver context | 
|  | keep | - the number of vectors to be kept at restart | 
Options Database Key
|  | -pep_qarnoldi_restart | - Sets the restart parameter | 
Notes
Allowed values are in the range [0.1,0.9]. The default is 0.5.
See Also
 PEPQArnoldiGetRestart()
Level
advanced
Location
src/pep/impls/krylov/qarnoldi/qarnoldi.c
Index of all PEP routines
Table of Contents for all manual pages
Index of all manual pages