Problem 451. Is this matrix orthogonal?

Created by Bruce Raine
Appears in Linear Algebra

Difficulty:Rate

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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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2127 Solutions
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Last Solution submitted on May 06, 2025

Last 200 Solutions

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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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Problem 451. Is this matrix orthogonal?

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Last 200 Solutions

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Problem 451. Is this matrix orthogonal?

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Why should you share code?

Problem Recent Solvers343

Suggested Problems

More from this Author16

Problem Tags

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