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Problem 451. Is this matrix orthogonal?

Solution 1266265

Submitted on 11 Sep 2017 by Andrew Dobrovolc
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Test Suite

Test Status Code Input and Output
1   Pass
x = orth(randn(3)); y_correct = true; assert(isequal(isOrthogonal(x),y_correct))
2   Pass
x = orth(randn(4)); y_correct = true; assert(isequal(isOrthogonal(x),y_correct))
3   Pass
x = orth(randn(5)); y_correct = true; assert(isequal(isOrthogonal(x),y_correct))
4   Pass
x=sqrt([3,1;1,1]); y_correct = false; assert(isequal(isOrthogonal(x),y_correct))
5   Pass
x = magic(6); y_correct = false; assert(isequal(isOrthogonal(x),y_correct))
6   Pass
x = randn(2)+1; y_correct = false; assert(isequal(isOrthogonal(x),y_correct))

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