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/
Filter AC, pass DC
Back to basics 17 - white space
Calculate the area of a triangle between three points
Magic is simple (for beginners)
Convert given decimal number to binary number.
Breaking Bad Tiles (Spelling with Element Symbols)
Make a run-length companion vector
Find the stride of the longest skip sequence
Count the Digits in the Box
Placing Beads Neatly in a Box
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