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.
Determine if a Given Number is a Triangle Number
Number of Horns on a unicorn!
Create an n-by-n null matrix and fill with ones certain positions
Find an inscribed square on a closed curve
Convex Hull Capture
Placing Beads Neatly in a Box
Rotate and display numbered tile
2048 Next Move
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