forked from lijiext/lammps
18 lines
676 B
TeX
18 lines
676 B
TeX
\documentclass[12pt]{article}
|
|
|
|
\begin{document}
|
|
|
|
\begin{eqnarray*}
|
|
S_{ab} & = & - \left[ m v_a v_b +
|
|
\frac{1}{2} \sum_{n = 1}^{N_p} (r_{1_a} F_{1_b} + r_{2_a} F_{2_b}) +
|
|
\frac{1}{2} \sum_{n = 1}^{N_b} (r_{1_a} F_{1_b} + r_{2_a} F_{2_b}) +
|
|
\frac{1}{3} \sum_{n = 1}^{N_a} (r_{1_a} F_{1_b} + r_{2_a} F_{2_b} +
|
|
r_{3_a} F_{3_b}) + \\
|
|
&& \frac{1}{4} \sum_{n = 1}^{N_d} (r_{1_a} F_{1_b} + r_{2_a} F_{2_b} +
|
|
r_{3_a} F_{3_b} + r_{4_a} F_{4_b}) +
|
|
\frac{1}{4} \sum_{n = 1}^{N_i} (r_{1_a} F_{1_b} + r_{2_a} F_{2_b} +
|
|
r_{3_a} F_{3_b} + r_{4_a} F_{4_b}) \right]
|
|
\end{eqnarray*}
|
|
|
|
\end{document}
|