test cases imply that the question title should be "spot the square"
I added a rectangular (non-square) test case. Thanks for the note.
This is a good answer. I changed the test suite so that you wouldn't have to deal with logical input matrices. Sorry about that!
This code is referenced in the following blog post: http://blogs.mathworks.com/community/2015/01/19/robot-game-playing-in-matlab-part-2/
Make a checkerboard matrix
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middleAsColumn: Return all but first and last element as a column vector
Television Screen Dimensions
Put two time series onto the same time basis
Convex Hull Capture
Stuff the Board
Generate a melodic contour string matrix
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