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Permutations/Rank of a permutation: Difference between revisions
Permutations/Rank of a permutation (view source)
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A particular ranking of a permutation associates an integer with a particular ordering of all the permutations of a set of distinct items. For our purposes the ranking will assign integers <math>0 .. (n! - 1)</math> to an ordering of all the permutations of the integers <math>0 .. (n - 1)</math>.
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