slepc-3.20.2 2024-03-15
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EPSKrylovSchurSetRestart

Sets the restart parameter for the Krylov-Schur method, in particular the proportion of basis vectors that must be kept after restart.

Synopsis

#include "slepceps.h" 
PetscErrorCode EPSKrylovSchurSetRestart(EPS eps,PetscReal keep)
Logically Collective

Input Parameters

eps  - the eigenproblem solver context
keep  - the number of vectors to be kept at restart

Options Database Key

-eps_krylovschur_restart  - Sets the restart parameter

Notes

Allowed values are in the range [0.1,0.9]. The default is 0.5.

See Also

EPSKrylovSchurGetRestart()

Level

advanced

Location

src/eps/impls/krylov/krylovschur/krylovschur.c

Index of all EPS routines
Table of Contents for all manual pages
Index of all manual pages