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/
Getting the row and column location from a matrix
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Number of digits in an integer
Area of an equilateral triangle
Remove the air bubbles
When Was That Goal Scored?
Would Homer Like It?
Eliminate Polysyllabics: Long live short words!
Determine the Result of a Move in Reversi
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