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'''Hamiltonian [[dynamics]]''' is a formulation of [[mechanics]] that can be a useful alternative to [[Isaac Newton|Newton's]] formulation. It is closely related to [[Lagrangian Dynamics|Lagrangian dynamics]], and makes use of the [[Lagrangian]] and [[Hamiltonian]] functions. From a mathematical viewpoint, problems in dynamics can sometimes be simpler to solve when written in the Hamiltonian formulation. The formulation is also important because it allows deep connections between [[Classical mechanics|classical]] and [[Quantum mechanics|quantum]] mechanics to be made.