Find matrices A and B for which (A+B) > (A)+(B). (This shows that (A) cannot be a

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Find matrices A and B for which ρ(A+B) > ρ(A)+ρ(B). (This shows that ρ(A) cannot be a matrix norm.)
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Numerical Analysis

ISBN: 978-0538733519

9th edition

Authors: Richard L. Burden, J. Douglas Faires

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