principle of least action

Definition of principle of least action

: a principle in physics: if the passage of a dynamic system from one configuration to another is spontaneous and without change in total energy the corresponding action has a minimum value

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“Principle of least action.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/principle%20of%20least%20action. Accessed 26 Oct. 2021.

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