Combinatorics: permutations, combinations and dispositions

Combinatorics is that field of mathematics primarily concerned with counting elements from one or more sets. It can help us counting the number of orders in which something can happen. In this article, I’m going to dwell on three different types of techniques: permutationsdispositionscombinations Permutations Those are the easiest to compute. Imagine we have n objects, different among each others. […]