Lagrangian Mechanics

  • Thread starter Curl
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  • #1
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Main Question or Discussion Point

Is anyone good with Lagrangian mechanics applied to constrained systems?

I had a question about the Lagrange multiplier method, maybe I should have posted it in this section.

https://www.physicsforums.com/showthread.php?t=550139
 

Answers and Replies

  • #2
atyy
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Are you asking why Lagrange multipilers are a way to do constrained minimization?
 
  • #3
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I'm asking how is the method of Lagrange Multipliers (which is used to find the extrema of level surfaces subject to constraints) used to find the extrema of the Action functional.

I thought I'd be more of a math question but nobody there is throwing me an answer.
 

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