ISBN: | 978-5-5093-4866-2 |
High Quality Content by WIKIPEDIA articles! Lagrangian mechanics is a re-formulation of classical mechanics using Hamilton`s Principle of stationary action. Lagrangian mechanics applies to systems whether or not they conserve energy or momentum, and it provides conditions under which energy and/or momentum are conserved. It was introduced by the Italian-French mathematician Joseph-Louis Lagrange in 1788.