Cody

Problem 451. Is this matrix orthogonal?

Solution 1761995

Submitted on 26 Mar 2019 by Abdelfatah Teamah
• Size: 7
• This is the leading solution.
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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))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In isOrthogonal (line 2) In ScoringEngineTestPoint1 (line 3) In solutionTest (line 3)]

2   Pass
x = orth(randn(4)); y_correct = true; assert(isequal(isOrthogonal(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In isOrthogonal (line 2) In ScoringEngineTestPoint2 (line 3) In solutionTest (line 5)]

3   Pass
x = orth(randn(5)); y_correct = true; assert(isequal(isOrthogonal(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In isOrthogonal (line 2) In ScoringEngineTestPoint3 (line 3) In solutionTest (line 7)]

4   Pass
x=sqrt([3,1;1,1]); y_correct = false; assert(isequal(isOrthogonal(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In isOrthogonal (line 2) In ScoringEngineTestPoint4 (line 3) In solutionTest (line 9)]

5   Pass
x = magic(6); y_correct = false; assert(isequal(isOrthogonal(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In isOrthogonal (line 2) In ScoringEngineTestPoint5 (line 3) In solutionTest (line 11)]

6   Pass
x = randn(2)+1; y_correct = false; assert(isequal(isOrthogonal(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In isOrthogonal (line 2) In ScoringEngineTestPoint6 (line 3) In solutionTest (line 13)]