There is an error in the second problem of the test suite (also in the example) with an extra "[" on the second line of the "correct" melody.
Amazing how hard it is to get your test suite right on the first try. Thanks, and it looks like you're in the lead!
The last 3 tests are incorrect.
Dimensions of matrices being concatenated are not consistent.
I admit they look wrong, but the actual text in the MATLAB code runs properly. I just re-scored some answers and they worked fine. It must be some kind of HTML display problem. I'll check into it.
First N Perfect Squares
First non-zero element in each column
Stuff the Board
MATLAB Basic: rounding II
Convert hex color specification to MATLAB RGB
Frobenius McNugget Factorization
Repopulate the City
Find the biggest empty box
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