I think the description and test suite on this problem is slightly off. When I see 'union' I already assume that no duplicates are permitted and order is irrelevant.
Maximum running product for a string of numbers
Replace multiples of 5 with NaN
05 - Vector Equations 1
Length of the hypotenuse
Matlab Basics - Absolute Value
Sum of odd numbers in a matrix
most frequent character
index of n^2 in magic(n)
Find the index of n in magic(n)
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