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The third element in the test-suite does not match the image in the problem description.
Is this matrix orthogonal?
Getting logical indexes
Rotate input square matrix 90 degrees CCW without rot90
Find a Pythagorean triple
06 - Matrix Equations 3
03 - Matrix Variables 6
02 - Vector Variables 2
05 - Vector Equations 2
06 - Matrix Equations 1
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