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/
Test if a Number is a Palindrome without using any String Operations
Permute diagonal and antidiagonal
The sum of the numbers in the vector
03 - Matrix Variables 3
Find nth maximum
2048 Next Move
Simulate one complete step in the Biham–Middleton–Levine traffic model
Find the stride of the longest skip sequence
Frobenius McNugget Factorization
Put two time series onto the same time basis
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