Formula_5793

\[\{H, f\}=\sum_{k=1}^{N}\left(\frac{\partial H}{\partial \vec{q}_{k}} \frac{\partial f}{\partial \vec{p}_{k}}-\frac{\partial H}{\partial \vec{p}_{k}} \cdot \frac{\partial f}{\partial \vec{q}_{k}}\right)\]