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Line 1: [[File:Inversion qtl1.svg\|thumb\|Permutation with one of its inversions highlighted<br><br>It may be denoted by the pair of places (2, 4) or the pair of elements (5, 2).]] In [[computer science]] and [[discrete mathematics]], a sequence has an '''inversion''' ~~where~~if two of its elements are out of their natural [[total order\|order]]. == Definitions ==

Inversion (discrete mathematics): Difference between revisions