Prove that A = AT is a symmetric n x n matrix if and only if {A

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Prove that A = AT is a symmetric n x n matrix if and only if {A v) • w = v • (A w) for all v. w ∈ Rn.
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Applied Linear Algebra

ISBN: 978-0131473829

1st edition

Authors: Peter J. Olver, Cheri Shakiban

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