Past exam of the short options paper shared by Prelims and Parts A and B of the physics course of the University of Oxford / 2018 / S7 / 3 / a

For each canonical coordinate and momentum, Hamilton's equations areThey use canonical rather than arbitrary mechanical momenta, a distinction important in a magnetic field. The bracket convention printed in the source is consistent with $\dot{F}=[F,H]$ for a function with no explicit time dependence.