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A lower bound for the smallest singular value of a matrix

✍ Scribed by J.M. Varah

Publisher: Elsevier Science
Year: 1975
Tongue: English
Weight: 128 KB
Volume: 11
Category: Article
ISSN: 0024-3795
DOI: 10.1016/0024-3795(75)90112-3

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In an earlier paper of the first author, Gersgorin's theorem was used in a novel way to give a simple lower bound for the smallest singular value of a general complex matrix. That lower bound was stronger than previous published bounds. Here, we use three variants of Gersgorin's theorem in a similar