$\displaystyle \frac{\partial L}{\partial x_i} - \frac{d}{dt}\left( \frac{\partial L}{\partial \dot{x_i}} \right) = 0,\;\; i=1,2,3.$

WtEn:Euler-Lagrange_equation = https://en.wiktionary.org/wiki/Euler-Lagrange_equation
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last modified 2024-06-17 15:31:21