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Q&A What does Lagrangian actually represent?

Lagrangian is no energy. It’s just the Lagrangian. It's perhaps more fundamental than energy in a certain sense. In general, you can think of it as a function that minimizes the action. That's the...

posted 1y ago by deleted user  ·  edited 1y ago by deleted user

Answer
#3: Post edited by (deleted user) · 2021-09-04T07:29:15Z (over 1 year ago)
  • Lagrangian is no energy. It’s just the Lagrangian. It's perhaps more fundamental than energy in a certain sense.
  • In general, you can think of it as a function that minimizes the action. That's the definition of Lagrangian. ~ said by [Golam Ishtiak](https://physics.stackexchange.com/users/240314/golam-ishtiak) (You can find him right [here](http://smartiansofscience.org/about/) also)
  • Lagrangian is no energy. It’s just the Lagrangian. It's perhaps more fundamental than energy in a certain sense.
  • In general, you can think of it as a function that minimizes the action. That's the definition of Lagrangian. ~ said by [Golam Ishtiak](https://physics.stackexchange.com/users/240314/golam-ishtiak) (You can find him right [here](http://smartiansofscience.org/about/) also)
  • ![For reference](https://physics.codidact.com/uploads/BvxASetjJjdj2dcDm2EAKCUz)
  • I don't have any opinion on it. Just posted what he told me.
#2: Post edited by (deleted user) · 2021-09-03T12:38:49Z (over 1 year ago)
  • Lagrangian is no energy. It’s just the Lagrangian. It's perhaps more fundamental than energy in a certain sense.
  • In general, you can think of it as a function that minimizes the action. That's the definition of Lagrangian. ~ said by [Golam Ishtiak](https://physics.stackexchange.com/users/240314/golam-ishtiak)
  • Lagrangian is no energy. It’s just the Lagrangian. It's perhaps more fundamental than energy in a certain sense.
  • In general, you can think of it as a function that minimizes the action. That's the definition of Lagrangian. ~ said by [Golam Ishtiak](https://physics.stackexchange.com/users/240314/golam-ishtiak) (You can find him right [here](http://smartiansofscience.org/about/) also)
#1: Initial revision by (deleted user) · 2021-09-03T12:38:01Z (over 1 year ago)
Lagrangian is no energy. It’s just the Lagrangian. It's perhaps more fundamental than energy in a certain sense.
In general, you can think of it as a function that minimizes the action. That's the definition of Lagrangian. ~ said by [Golam Ishtiak](https://physics.stackexchange.com/users/240314/golam-ishtiak)