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.
The Tower of Hanoi
Better bullseye matrix
Convert hex color specification to MATLAB RGB
Slicing the cube
Count number of words in string
SET (the card game)
Find last zero for each column
Cumulative maximum of an array
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