Re: Define a colvar from other colvars

From: Giacomo Fiorin (
Date: Thu Dec 14 2017 - 14:57:56 CST

Hi Ben, I won't add much to what Josh and Bogdan already wrote, except one
thing: what you are asking is the first example in the Colvars manual:

On Thu, Dec 14, 2017 at 3:53 PM, Bogdan Marekha <>

> if you need anything more complicated than a linear combination of powers
> of the components,take a look at the customFunction thing available in the
> recent CVS builds or the scripted colvar functionality as the most
> general,though tedious, approach.
> Cheers,
> Bogdan

Giacomo Fiorin
Associate Professor of Research, Temple University, Philadelphia, PA
Contractor, National Institutes of Health, Bethesda, MD

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