It seems easy, but...
You cannot use +, -, plus, diff, cumsum, *, prod, times, etc.
conv([x y],[1 1],'valid') will not work as it contains STRINGS !!
Very witty solution.
Return elements unique to either input
Reindex a vector
Find nearest prime number less than input number
Matrix multiplication across rows
Compound interest - number e
RGB to CMYK
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