Lagrangian and Hamiltonian Mechanics « Classical Mechanics « Physics

See also:

Lagrangians and Hamiltonians for High School Students - A discussion of Lagrangian and Hamiltonian dynamics is presented at a level which should be suitable for advanced high school students.
The Principle of Least Action - A brief review of the mathematics and physics involved in the principle of least action.
The Principle of Least Action - An overview of the historical development of the principle of least action.