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[[File:Least action sketch.png|thumb|Sketch of a trajectory in position-velocity configuration space and its partial derivatives]] | |||
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Classical Mechanics can be formulated directly and generally by applying calculus to trajectories/curves in space. For concreteness and an alternate presentation, we describe the formulation backwards from the first few pages of Landau's mechanics. | |||
=== Initial Lagrangian Framing === | === Initial Lagrangian Framing === |