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permLength -- to find the length of a permutation in 1-line notation.

Description

Given a permutation in 1-line notation returns the Coxeter length of the permutation.

i1 : w = {2,5,4,1,3}

o1 = {2, 5, 4, 1, 3}

o1 : List
 
i2 : permLength w

o2 = 6

Ways to use permLength:

  • permLength(List)

For the programmer

The object permLength is a method function.

The source of this document is in MatrixSchubert/permutationMethodsDOC.m2:122:0.