Inversion (discrete mathematics): Difference between revisions

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[[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''' ifin twoa ofsequence itsis a pair of elements that are out of their natural [[total order|order]].
 
== Definitions ==