principle of least action

短语

[化] 最小作用原理; 最小作用量原理

释义与例句

name
  1. 1.

    A variational principle that, when applied to the action of a mechanical system, yields the equations of motion for that system. It states that the trajectories (i.e. the solutions of the equations of motion) are stationary points of the system's action functional.

    物理