PEPJDSetProjection#

Sets the type of projection to be used in the Jacobi-Davidson solver.

Synopsis#

#include "slepcpep.h" 
PetscErrorCode PEPJDSetProjection(PEP pep,PEPJDProjection proj)

Logically Collective

Input Parameters#

  • pep - the polynomial eigensolver context

  • proj - the type of projection, see PEPJDProjection for possible values

Options Database Key#

  • -pep_jd_projection <proj> - the projection type, either orthogonal or harmonic

Note#

Detailed information can be found at [Campos and Roman, 2020].

References#

[Cam20a]

C. Campos and J. E. Roman. A polynomial Jacobi-Davidson solver with support for non-monomial bases and deflation. BIT, 60(2):295–318, 2020. doi:10.1007/s10543-019-00778-z.

See Also#

PEP: Polynomial Eigenvalue Problems, PEPJD, PEPJDGetProjection()

Level#

advanced

Location#

src/pep/impls/jd/pjd.c

Implementations#

PEPJDSetProjection_JD() in src/pep/impls/jd/pjd.c

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