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

PermutationCyclesQ

PermutationCyclesQ[expr]
returns True if expr is a permutation in disjoint cyclic form, and False otherwise.

DetailsDetails

  • The disjoint cyclic form of a permutation is an expression with head Cycles containing a list of cycles, each one being a list of positive integers. The integer points in a permutation must all be different.

ExamplesExamplesopen allclose all

Basic Examples (3)Basic Examples (3)

A valid permutation in cyclic form:

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A symbolic permutation object:

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An invalid permutation:

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Scope (2)Scope (2)

Properties & Relations (1)Properties & Relations (1)

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