slepc-3.23.1 2025-05-01
   
SVDTRLanczosSetRestart
Sets the restart parameter for the thick-restart Lanczos method, in particular the proportion of basis vectors that must be kept after restart. 
Synopsis
#include "slepcsvd.h" 
PetscErrorCode SVDTRLanczosSetRestart(SVD svd,PetscReal keep)
Logically Collective
Input Parameters
|  | svd | - the singular value solver | 
|  | keep | - the number of vectors to be kept at restart | 
Options Database Key
|  | -svd_trlanczos_restart | - Sets the restart parameter | 
Notes
Allowed values are in the range [0.1,0.9]. The default is 0.5.
See Also
 SVDTRLanczosGetRestart()
Level
advanced
Location
src/svd/impls/trlanczos/trlanczos.c
Index of all SVD routines
Table of Contents for all manual pages
Index of all manual pages