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A QR algorithm with variable iteration multiplicity

โœ Scribed by Augustin A. Dubrulle

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
694 KB
Volume
86
Category
Article
ISSN
0377-0427

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โœฆ Synopsis

I reconsider some hypotheses concerning errant behaviors of the m-tuple QR iteration for real Hessenberg matrices, including potential effects of small products of codiagonal elements on bulge and shift vectors, and the fimess of Householder matrices as information carriers. The design of an iteration with dynamic adjustment of m follows. Results of numerical experiments are included for illustration.

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