This code is referenced in the following blog post: http://blogs.mathworks.com/community/2015/01/19/robot-game-playing-in-matlab-part-2/
Doubling elements in a vector
Remove entire row and column in the matrix containing the input values
Approximation of Pi (vector inputs)
Create a vector
Balanced Ternary Numbers: Easy as |, |-, |o
Repopulate the City
Formatting currency numbers
Count the Digits in the Box
Twist 'n' Match
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