This code is referenced in the following blog post: http://blogs.mathworks.com/community/2015/01/19/robot-game-playing-in-matlab-part-2/
Determine if a Given Number is a Triangle Number
Find the sum of the elements in the "second" diagonal
Angle between two vectors
Generate N equally spaced intervals between -L and L
Rounding off numbers to n decimals
Generate a melodic contour string matrix
Stuff the Board
Fix the last element of a cell array
Do the lines intersect?
Make a function that returns its own character count
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