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  1. Dec 2021
  2. phys.libretexts.org phys.libretexts.org
    13.4: The Lagrangian Equations of Motion
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    1. objetora 12 Dec 2021
      ˙i⋅(∂r˙i∂qj)

      This is justified by 13.4.9, but I think it would be clearer to leave this here in the d/dt form of the previous equation and then proceed to 13.4.10 after 13.4.9

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    phys.libretexts.org/Bookshelves/Classical_Mechanics/Classical_Mechanics_(Tatum)/13:_Lagrangian_Mechanics/13.04:_The_Lagrangian_Equations_of_Motion