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inversion -- Inversion number of a string

Synopsis

Optional inputs:
- Separation (missing documentation) => ..., default value null,

Description

Given a string of digits "a_1 a_2 ... a_n", computes the inversion number of that string (the number of i<j such that a_i>a_j).

Ways to use inversion :

inversion(LabelList) (missing documentation)

For the programmer

The object inversion is a method function with options.