PEPSetExtract#

Specifies the extraction strategy to be used.

Synopsis#

#include "slepcpep.h" 
PetscErrorCode PEPSetExtract(PEP pep,PEPExtract extract)

Logically Collective

Input Parameters#

  • pep - the polynomial eigensolver context

  • extract - extraction strategy, see PEPExtract for possible values

Options Database Key#

  • -pep_extract <extract> - extraction type, one of none,norm,residual,structured

Note#

This is relevant for solvers based on linearization. Once the solver has converged, the polynomial eigenvectors can be extracted from the eigenvectors of the linearized problem in different ways. See the discussion in section Extraction.

See Also#

PEP: Polynomial Eigenvalue Problems, Extraction, PEPExtract, PEPGetExtract()

Level#

intermediate

Location#

src/pep/interface/pepopts.c

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