lagrangian formalism
The Lagrangian formalism is a mathematical method used in classical mechanics to describe the motion of particles and systems in terms of a single function called the Lagrangian. It provides an alternative approach to Newton's laws of motion, making use of the principle of least action to obtain equations of motion. By using the Lagrangian, the formalism enables a concise and elegant description of physical systems, enabling the analysis of complex systems with multiple particles and forces.
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