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    To show a given matrix is orthogonal

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    Linear Algebra
    Matrices (IX)
    Orthoganal Matrix

    Show that the matrix

    A = [-8/9, 4/9 , 1/9; 1/9 , 4/9 , -8/9; 4/9 , 7/9 , 4/9]

    is orthogonal.

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    https://brainmass.com/math/linear-algebra/show-given-matrix-orthogonal-45926

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    Linear Algebra
    Matrices (IX)
    Orthoganal Matrix

    ...

    Solution Summary

    A matrix is shown to be orthogonal. The solution is detailed and well presented.

    $2.49

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