File: svd-5.m

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a = [1, 2, 3; 4, 5, 6];
[u, s, v] = svd (a, 1);
(size (u) == [2, 2] && size (s) == [2, 2] && size (v) == [3, 2]
 && abs (a - u * s * v') < sqrt (eps))