Given a ColorSpec string, either in short or long form, return the corresponding RGB triplet. If the input is not a valid color, return an empty vector.
str2rgb('red') returns [1 0 0]
str2rgb('k') returns [0 0 0]
str2rgb('pizza') returns 
When I see beautiful and efficient Ly Cao solutions, I have the feeling that Cody has found another master (after Alfonso).
Thank you. I'm flattered. I still have a lot to learn.
Who Has the Most Change?
System of equations
Make a random, non-repeating vector.
Oh Zero Zero Zero!!!
Cumulative minimum of an array
Find the nearest prime number
Find last zero for each column
Calculate a modified Levenshtein distance between two strings
Check if vertices form a rectangle
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