Example image of eyePlorer eyePlorer map for 'Hamilton's principle': Physics Principle of least action William Rowan Hamilton Calculus of variations Lagrangian Differential equation Equations of motion Classical mechanics Electromagnetism Field (physics) Gravitation Quantum field theory Quantum mechanics Function (mathematics) Functional (mathematics) Scalar (physics) Action (physics) Functional Functional analysis Stationary point Integration by parts Coordinates (mathematics) Maupertuis' principle Generalized coordinates Time Einstein–Hilbert action Electromagnetic field Einstein field equations Variational principle Path integral formulation Probability amplitude Newton's laws of motion Richard Feynman Maxwell's equations Variational integrator Jenifer Haselgrove D'Alembert's principle Gauss' principle of least constraint Euler–Lagrange equation Zitterbewegung Nanomechanics Monogenic system Charles W. Misner Hamilton–Jacobi equation Hamiltonian Wheeler–Feynman absorber theory Holonomic Noether's theorem Dirac equation Lagrangian mechanics