Let A be a nonsingular n n matrix and let Q be an n n

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Let A be a nonsingular n × n matrix and let Q be an n × n orthogonal matrix. Show that
(a) cond2(QA) = cond2(Ag) = cond2(A)
(b) If B = QTAQ, then cond2(S) = cond2(A).

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Linear Algebra with Applications

ISBN: 978-0131857858

7th edition

Authors: Steven J. Leon

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Question Posted: Jun 13, 2016 01:09 AM

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Let A be a nonsingular n n matrix and let Q be an n n

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a It follows from Exercise 34 that QA 2 A 2 and A 1 QT 2 ...View the full answer

Linear Algebra with Applications

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