Il 08/10/2010 18:29, Sikandar Mashayak ha scritto:

Could anyone please clarify on my previous question? I am very confused about the force value issue.

thanks
sikandar
On Thu, Oct 7, 2010 at 2:27 PM, Sikandar Mashayak <symasha...@gmail.com <mailto:symasha...@gmail.com>> wrote:

    Hi

    In the post-processing ( analysis) code using gromacs trajectory,
    I access force values on atom using fr.x[indx_atm][XX]. The
    confusion I have is that " what force is it? is it the force
    before constraints ( fixed bonds) are applied or is it the
    effective force due to atom-atom interactions plus any constraints?"

    thanks
    sikandar


I think you will access to the component along the X-axis acting on atom "indx_atm"
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