Difference between revisions of "Permutation"
| Line 1: | Line 1: | ||
| − | + | A '''permutation''' of a set of r objects is any rearrangement of the r objects. There are <math>r!</math> (the [[factorial]] of r) permutations of a set with r objects. | |
Revision as of 13:07, 29 June 2006
A permutation of a set of r objects is any rearrangement of the r objects. There are 
(the factorial of r) permutations of a set with r objects.
