forked from lijiext/lammps
16 lines
514 B
TeX
16 lines
514 B
TeX
\documentclass[12pt]{article}
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\begin{document}
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\begin{eqnarray*}
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E(r_1,r_2, \ldots ,r_N) & = & \sum_{i,j} E_{\it pair}(r_i,r_j) +
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\sum_{ij} E_{\it bond}(r_i,r_j) +
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\sum_{ijk} E_{\it angle}(r_i,r_j,r_k) + \\
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&& \sum_{ijkl} E_{\it dihedral}(r_i,r_j,r_k,r_l) +
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\sum_{ijkl} E_{\it improper}(r_i,r_j,r_k,r_l) +
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\sum_i E_{\it fix}(r_i)
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\end{eqnarray*}
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\end{document}
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