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Andrew Magalich added Euler_Lagrange_equation_frac_dL__.tex
almost 8 years ago
Commit id: 56812751c24492b0f6e4f0882125e55ad2afc6f1
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Euler-Lagrange equation
$$
\frac{dL}{dx^\mu} = \frac{d}{d\tau} \frac{dL}{d\dot{x}^\mu}
$$