### Fokker-Planck equation

(shows likelihood of velocity over time of a disturbed particle)

The **Fokker-Plank equation** gives the density
of the probability of different velocities for
a particle disturbed randomly, e.g., by Brownian motion.
In astrophysics, it has been used to model the effect stars
have on passing other stars.

(*equation,statistical mechanics*)
http://en.wikipedia.org/wiki/Fokker-Planck_equation

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