slepc-main 2024-11-15
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EPSCISSSetQuadRule

Sets the quadrature rule used in the CISS solver.

Synopsis

#include "slepceps.h" 
PetscErrorCode EPSCISSSetQuadRule(EPS eps,EPSCISSQuadRule quad)
Logically Collective

Input Parameters

eps  - the eigenproblem solver context
quad  - the quadrature rule

Options Database Key

-eps_ciss_quadrule  - Sets the quadrature rule (either 'trapezoidal' or 'chebyshev')

Notes

By default, the trapezoidal rule is used (EPS_CISS_QUADRULE_TRAPEZOIDAL).

If the 'chebyshev' option is specified (EPS_CISS_QUADRULE_CHEBYSHEV), then Chebyshev points are used as quadrature points.

See Also

EPSCISSGetQuadRule(), EPSCISSQuadRule

Level

advanced

Location

src/eps/impls/ciss/ciss.c

Index of all EPS routines
Table of Contents for all manual pages
Index of all manual pages