slepc-3.21.0 2024-03-30
DSNEPSetRefine
Sets the tolerance and the number of iterations of Newton iterative refinement for eigenpairs.
Synopsis
#include "slepcds.h"
PetscErrorCode DSNEPSetRefine(DS ds,PetscReal tol,PetscInt its)
Logically Collective
Input Parameters
| ds | - the direct solver context
|
| tol | - the tolerance
|
| its | - the number of iterations
|
Options Database Key
| -ds_nep_refine_tol <tol> | - sets the tolerance
|
| -ds_nep_refine_its <its> | - sets the number of Newton iterations
|
Notes
Iterative refinement of eigenpairs is currently used only in the contour
integral method.
See Also
DSNEPGetRefine()
Level
advanced
Location
src/sys/classes/ds/impls/nep/dsnep.c
Index of all DS routines
Table of Contents for all manual pages
Index of all manual pages