A numerical example showing that deflations based on rotation leads to higher relative accuracy in QR algorithm |
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| Authors: | Thomas Mach Raf Vandebril |
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| Institution: | Department of Computer Science, KU Leuven, 3001 Leuven (Heverlee), Belgium. |
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| Abstract: | We present a numerical example illustrating that the deflation procedure in Francis's implicitly shifted QR algorithm can be improved by a deflation criteria based on the QR decomposition of the upper Hessenberg matrix. (© 2014 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim) |
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