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<DIV><FONT color=#000080 size=2 face=Verdana>Hi all-gmxers</FONT></DIV>
<DIV><FONT color=#000080></FONT> </DIV>
<DIV><FONT color=#000080>The force equations of old virtual site type
4fd were shown in GROMACS manual.</FONT></DIV>
<DIV><FONT color=#000080>But the ones of corresponding new type 4fdn are
not shown in new GROMACS manual.</FONT></DIV>
<DIV><FONT color=#000080>Can someone do me a favor to give the force
equations?</FONT></DIV>
<DIV><FONT color=#000080>Appreciate any help and t</FONT><FONT
color=#000080>hanks in advance!</FONT></DIV>
<DIV><FONT color=#000080 size=2 face=Verdana></FONT> </DIV>
<DIV><FONT color=#c0c0c0 size=2 face=Verdana>2011-11-22 </FONT></DIV><FONT
color=#000080 size=2 face=Verdana>
<HR style="WIDTH: 100px" align=left color=#b5c4df SIZE=1>
</FONT>
<DIV><FONT color=#c0c0c0 size=2 face=Verdana><SPAN>
<DIV>
<DIV><FONT size=2 face=Verdana></FONT>
<DIV> </DIV>
<DIV>Best </DIV>
<DIV> wishes£¡</DIV>
<DIV> </DIV>
<DIV>Ji Xu</DIV>
<DIV></DIV>
<DIV>The State Key Laboratory of Multiphase Complex System</DIV>
<DIV>Institute of Process Engineering</DIV>
<DIV>Chinese Academy of Sciences</DIV>
<DIV>Beijing 100190, China</DIV></DIV></DIV></SPAN></FONT></DIV></BODY></HTML>