Let A be the matrix of the quadratic form It can be shown that the eigenvalues of

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Let A be the matrix of the quadratic form


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It can be shown that the eigenvalues of A are 1, 7, and 13. Find an orthogonal matrix P such that the change of variable x = Py transforms xTAx into a quadratic form with no cross product a term. Give P and the new quadratic form.

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Linear Algebra And Its Applications

ISBN: 9781292351216

6th Global Edition

Authors: David Lay, Steven Lay, Judi McDonald

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