Volume 18, pp. 137-152, 2004.
On the shifted QR iteration applied to companion matrices
Dario A. Bini, Francesco Daddi, and Luca Gemignani
Abstract
We show that the shifted QR iteration applied to a companion matrix
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Key words
companion matrices, QR factorization, QR iteration, semiseparable matrices, eigenvalues, polynomial roots.
AMS subject classifications
65F15, 15A18, 65H17.
ETNA articles which cite this article
Vol. 30 (2008), pp. 144-167 Raf Vandebril, Marc Van Barel, and Nicola Mastronardi: A parallel QR-factorization/solver of quasiseparable matrices |
Vol. 33 (2008-2009), pp. 126-150 Raf Vandebril, Marc Van Barel, and Nicola Mastronardi: A new iteration for computing the eigenvalues of semiseparable (plus diagonal) matrices |