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/
Encode Roman Numerals
Sum all integers from 1 to 2^n
Fill a zeros matrix
Replicate elements in vectors
Create an index-powered vector
Placing Beads Neatly in a Box
Find the stride of the longest skip sequence
Is It a Snake?
Do the line-segments intersect?
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