Commit 0bbb0d06 authored by sjplimp's avatar sjplimp
Browse files

git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@1914 f3b2605a-c512-4ea7-a41b-209d697bcdaa
parent a5dc6e7a
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+919 B (10.4 KiB)
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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}