git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@1914 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp 2008-06-24 15:17:42 +00:00
parent a5dc6e7a7c
commit 0bbb0d0685
2 changed files with 6 additions and 6 deletions

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\begin{document}
\begin{eqnarray*}
E(r_1,r_2, \ldots ,r_N) & = & \sum_{i,j} \phi_{ij}(r_i,r_j) +
\sum_{ij} B_{ij}(r_i,r_j) +
\sum_{ijk} A_{ijk}(r_i,r_j,r_k) + \\
&& \sum_{ijkl} D_{ijkl}(r_i,r_j,r_k,r_l) +
\sum_{ijkl} I_{ijkl}(r_i,r_j,r_k,r_l) +
\sum_i F_i(r_i)
E(r_1,r_2, \ldots ,r_N) & = & \sum_{i,j} E_{\it pair}(r_i,r_j) +
\sum_{ij} E_{\it bond}(r_i,r_j) +
\sum_{ijk} E_{\it angle}(r_i,r_j,r_k) + \\
&& \sum_{ijkl} E_{\it dihedral}(r_i,r_j,r_k,r_l) +
\sum_{ijkl} E_{\it improper}(r_i,r_j,r_k,r_l) +
\sum_i E_{\it fix}(r_i)
\end{eqnarray*}
\end{document}