[gmx-users] reg g_rdf

[vidhya sankar]

Dear justin,
                    Thanks for you Immediate  reply but When i surf  the following site  

http://www.linux-support.com/cms/en/component/content/article/12-man-pages/31116-g-rdf-calculates-radial-distribution-functions-man1
I got he following information 

g_rdf calculates radial distribution functions in different ways. The normal method is around a (set of) particle(s), the other method is around the center of mass of a set of particles. With both methods rdf’s can also be calculated around axes parallel to the z-axis with option -xy
 it represents what?  i need clarity
Thanks in advance
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