slepc-3.21.0 2024-03-30
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