Random Permutation
See rencontres numbers for an account of the probability distribution of the number of fixed points of a uniformly distributed random permutation.
Read more about this topic: Uniform Distribution (discrete)
Famous quotes containing the word random:
“Assemble, first, all casual bits and scraps
That may shake down into a world perhaps;
People this world, by chance created so,
With random persons whom you do not know—”
—Robert Graves (1895–1985)