Mathematics - Permutation (Ordered Combination)
1 - About
A Permutation is an ordered Combination.
- If the order doesn't matter, it is a Combination.
- If the order does matter it is a Permutation.
2 - Articles Related
3 - Type
There are basically two types of permutation:
- With Repetition is Allowed (AAA)
- Without Repetition: for example the first three people in a running race. You can't be first and second.