Mathematica > Mathematics and Algorithms > Discrete Mathematics > Permutations > PermutationLength
BUILT-IN MATHEMATICA SYMBOL

PermutationLength

PermutationLength[perm]
returns the number of integers moved by the permutation perm.

DetailsDetails

  • PermutationLength works with Cycles objects as well as with permutation lists.
  • The number of integers moved by a permutation is sometimes called its degree. Another common definition of permutation degree is the largest moved point.
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