In Problems 3133 A represents a 2 x 2 matrix. Show that the system x' = Ax

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In Problems 31–33 A represents a 2 x 2 matrix.

Show that the system x' = Ax has constant solutions other than x(t) Ξ 0 if and only if there exists a (constant) vector x ≠ 0 with Ax = 0. (It is shown in linear algebra that such a vector x exists exactly when det(A) = 0.)

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Differential Equations And Linear Algebra

ISBN: 9780134497181

4th Edition

Authors: C. Edwards, David Penney, David Calvis

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