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.
Right and wrong
Program an exclusive OR operation with logical operators
Reverse the elements of an array
Who is the smartest MATLAB programmer?
Area of an equilateral triangle
Find the index of n in magic(n)
Alternately upper-lower case
execute the declaration in strings and return value
interesting center of magic matrix
most frequent character
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