The Least squares and line search in extracting eigenpairs in Jacobi–Davidson method
Sign Up to like & getrecommendations! Published in 2020 at "Bit Numerical Mathematics"
DOI: 10.1007/s10543-020-00806-3
Abstract: The methods used for extracting an approximate eigenpair are crucial in sparse iterative eigensolvers. Using least squares and line search techniques this paper devises a method for an approximate eigenpair extraction. Numerical comparison of the… read more here.
Keywords: least squares; davidson method; jacobi davidson; squares line ... See more keywords
An GNU-OCTAVE implementation of Jacobi–Davidson style QR method for interior eigenvalue calculations using plane-wave expansion in photonic crystal structures
Sign Up to like & getrecommendations! Published in 2018 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-018-1352-0
Abstract: We describe a GNU-OCTAVE implementation of the Jacobi–Davidson style QR method for the estimation of interior eigenvalues in photonic crystal structures. The photonic eigenproblem is reduced to a matrix eigenproblem using plane-wave expansion. We show… read more here.
Keywords: jacobi davidson; octave implementation; jacobi; gnu octave ... See more keywords