forked from lijiext/lammps
15 lines
351 B
TeX
15 lines
351 B
TeX
\documentclass[12pt]{article}
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\begin{document}
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$$
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\mathbf{J}
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= \sum_i e_i \mathbf{v}_i
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+ \sum_{i<j} \left( \mathbf{f}_{ij} \cdot \mathbf{v}_j \right) \mathbf{x}_{ij}
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= \sum_i e_i \mathbf{v}_i
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+ \frac{1}{2} \sum_{i<j} \left( \mathbf{f}_{ij} \cdot \left(\mathbf{v}_i + \mathbf{v}_j \right) \right) \mathbf{x}_{ij}
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$$
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\end{document}
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