NEPCISSExtraction#

The extraction technique used in the CISS solver.

Synopsis#

typedef enum { NEP_CISS_EXTRACTION_RITZ,
               NEP_CISS_EXTRACTION_HANKEL,
               NEP_CISS_EXTRACTION_CAA    } NEPCISSExtraction;

Values#

NEP_CISS_EXTRACTION_RITZ - Rayleigh-Ritz extraction
NEP_CISS_EXTRACTION_HANKEL - block Hankel method
NEP_CISS_EXTRACTION_CAA - communication-avoiding Arnoldi method

See Also#

NEP: Nonlinear Eigenvalue Problems, NEPCISSSetExtraction(), NEPCISSGetExtraction()

Level#

advanced

Location#

include/slepcnep.h

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