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Fortran 77 Subroutines for Computing the Eigenvalues of Hamiltonian Matrices II

Please always quote using this URN:urn:nbn:de:0296-matheon-1679
  • This article describes Fortran 77 subroutines for computing eigenvalues and invariant subspaces of Hamiltonian and skew-Hamiltonian matrices. The implemented algorithms are based on orthogonal symplectic decompositions, implying numerical backward stability as well as symmetry preservation for the computed eigenvalues. These algorithms are supplemented with balancing and block algorithms, which can lead to considerable accuracy and performance improvements. As a by-product, an efficient implementation for computing symplectic QR decompositions is provided. We demonstrate the usefulness of the subroutines for several, practically relevant examples.

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Metadaten
Author:Peter Benner, Daniel Kressner
URN:urn:nbn:de:0296-matheon-1679
Referee:Peter Deuflhard
Document Type:Preprint, Research Center Matheon
Language:English
Date of first Publication:2005/01/24
Release Date:2004/05/10
Preprint Number:204
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