[gmx-users] Correlation-Covariance

Ran Friedman r.friedman at bioc.uzh.ch
Wed Jul 30 16:44:14 CEST 2008

I made a modified version of g_covar that has this capability. I'll put
it in the user contributions later today.


Dhananjay wrote:
> Hello all,
> I have done MD simulation of protein and using trajectories I did
> covariance analysis. Using program g_covar with -ascii option a row
> covariance matrix have been generated.
> However, I an interested in Correlation matrix instead of Covariance.
> Can any one tell me how to convert the covariance matrix into
> correlation matrix or what is the relation between covariance and
> correlation matrix.
> I am not good in programming or mathematics, but if anyone could help
> me and give me some direction, I will be happy to write own
> program/script.
> Thanking you in advance,
> -- Dhananjay
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Ran Friedman
Postdoctoral Fellow
Computational Structural Biology Group (A. Caflisch)
Department of Biochemistry
University of Zurich
Winterthurerstrasse 190
CH-8057 Zurich, Switzerland
Tel. +41-44-6355593
Email: r.friedman at bioc.unizh.ch
Skype: ran.friedman

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