[gmx-users] about periodic boundary conditions

Xiao Yan yanxiao3000 at hotmail.com
Fri Oct 29 03:41:42 CEST 2004


I want to simulate a system with periodic boundary conditions only in x and 
y direction, but not in z direction. Are there any ways to realize that?

Another question is when I install the Gromacs in an Alpha machine, I input 
the following commands and got:

setenv CPPFLAGS -I/home/yy/fftw/include
setenv: not found

And I tried to input

export CPPFLAGS=-I/home/yy/fftw/include
CPPFLAGS=-I/home/yy/fftw/include: is not an identifier

Can anyone tell me what I should do?



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