fix_rattle_rij.tex
8b6f939ef9aemaster

fix_rattle_rij.tex
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			\documentclass[12pt]{article}
			\usepackage{amsmath}
			\begin{document}
			$$
			\mathbf r^{n+1}_{ij} = \mathbf r^n_j - \mathbf r^n_i
			$$
			\end{document}