EPSJDSetFix#

Sets the threshold for changing the target in the correction equation.

Synopsis#

#include "slepceps.h" 
PetscErrorCode EPSJDSetFix(EPS eps,PetscReal fix)

Logically Collective

Input Parameters#

  • eps - the eigenproblem solver context

  • fix - threshold for changing the target

Options Database Key#

  • -eps_jd_fix - the fix value

Note#

The target in the correction equation is fixed at the first iterations. When the norm of the residual vector is lower than the fix value, the target is set to the corresponding eigenvalue.

See Also#

EPSJDGetFix()

Level#

advanced

Location#

src/eps/impls/davidson/jd/jd.c

Implementations#

EPSJDSetFix_JD() in src/eps/impls/davidson/jd/jd.c

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