**Particle tracking using IDL -- John C. Crocker and
Eric R. Weeks**

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# The pair correlation function *g(r)*

If you know what the pair correlation function is, you can skip
straight to #3 below.

- What is the pair correlation function?
- How to calculate g(r)
- IDL routines to calculate g(r)
- Extra g(r) routines -- unsupported

## Contact us

- This page was written by
Eric Weeks:
weeks(at)physics.emory.edu