Problem 451. Is this matrix orthogonal?
Given a square matrix, a, determine whether it is orthogonal.
INPUT: a, a n x n matrix
OUTPUT: true or false
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2 Comments
Alfonso Nieto-Castanon
on 5 Mar 2012
perhaps you could these cases to avoid some non-general solutions... TEST1: x=sqrtm([2,1;1,1]); y_correct=false; TEST2: x=randn(3); y_correct=false;
Bruce Raine
on 7 Mar 2012
Thanks for the suggestions. I have implemented both of the tests. Cheers.
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