forked from lijiext/lammps
9 lines
126 B
TeX
9 lines
126 B
TeX
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\documentclass[12pt]{article}
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\begin{document}
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$$
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P = \sum_{i = 1}^{6} | \vec{R}_i + \vec{R}_{i+6} |^2
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$$
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\end{document}
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