In Exercises 2130, matrices are n x n and vectors are in R n . Mark each
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In Exercises 21–30, matrices are n x n and vectors are in Rn. Mark each statement True or False. Justify each answer.
If A is symmetric and P is an orthogonal matrix, then the change of variable x = Py transforms xTAx into a quadratic form with no cross-product term.
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Related Book For
Linear Algebra And Its Applications
ISBN: 9781292351216
6th Global Edition
Authors: David Lay, Steven Lay, Judi McDonald
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