Chebyshev distance for permutations. Specific to permutations is only the scaling to values of 0 to 1:
d(x,y) = max(|x - y|) / (n-1)
where n is the length of the permutations x and y.
first permutation (integer vector)
second permutation (integer vector)
numeric distance value
, scaled to values between 0 and 1 (based on the maximum possible distance between two permutations)
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