A helpful PHP utility that easily loops through every possible combination of array items. This package is intended for use in testing environments but is unit tested to the degree that it is also ...

In this article, we'll look at how to create permutations of an array. First, we'll define what a permutation is. Second, we'll look at some constraints. And third, we'll look at three ways to ...

We know that there are n! permutations of n elements; we have seen this fact when e.g. proving lower bounds on comparison sorting and the brute-force algorithm for solving the Travelling Salesman ...

Get ready to use the BigInteger data type as Dr. James McCaffrey of Microsoft Research demonstrates zero-based mathematical permutations with C#. A zero-based ...

Abstract: This paper presents a loopless algorithm to generate all permutations of a multiset. Each is obtained from its predecessor by making one transposition. It differs from previous such ...