Re: varying two colvar distances simultaneously

From: Chitrak Gupta (chgupta_at_mix.wvu.edu)
Date: Fri Mar 25 2016 - 10:58:08 CDT

Hi Giacomo,

Thanks for the input. I do not need the distances to be exactly equal, so
this should solve my problem.

Regards,
Chitrak.

On Thu, Mar 24, 2016 at 5:53 PM, Giacomo Fiorin <giacomo.fiorin_at_gmail.com>
wrote:

> Hello Chitrak, you could define a variable as the difference between two
> distances (there is an example in the manual) and restrain the difference
> near zero.
>
> Note that an exact equality will not be possible, because that would
> require a constraint solver.
>
> On Thu, Mar 24, 2016 at 5:49 PM, Chitrak Gupta <chgupta_at_mix.wvu.edu>
> wrote:
>
>> Hello!
>>
>> I am newly using the colvars module. Is there a way to vary two different
>> colvars distance in a way that they are always equal to each other?
>> Basically, I want to vary two distances simultaneously, resulting in only
>> one dimension. Is that possible?
>>
>>
>> Regards,
>> Chitrak.
>>
>
>
>
> --
> Giacomo Fiorin
> Assistant Professor of Research
> Institute for Computational Molecular Science (ICMS)
> College of Science and Technology, Temple University
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>
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> run the computers instead of the computers running us."* - Steve Oualline
>
>
>

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