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Re: [Question #688070]: save the evolution of the average kinetic energy of the grains and their average distance

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Jan Stránský <question688070@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 20 Jan 2020 14:08:14 -0000
Reply-to: question688070@xxxxxxxxxxxxxxxxxxxxx
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Question #688070 on Yade changed:
https://answers.launchpad.net/yade/+question/688070

    Status: Needs information => Answered

Jan Stránský proposed the following answer:
>> fil.write('%d %.3f\n' % (e,x_g/n))
> I guess it crashes on something like "e is not defined"

ok, sorry, it does not crash, because e IS defined and is math.e (yade uses "from math import *" at startup), Euler's number, 2.718...
If you save it as int (%d, why saving energy as int??), you get the value 2

cheers
Jan

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