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Display information for equation id:math.1909.9 on revision:1909

* Page found: Forminvarianz der Lagrangegleichungen (eq math.1909.9)

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TeX (original user input):

\frac{d}{dt}\frac{\partial \tilde{L}}{\partial {{{\dot{Q}}}_{k}}}=\sum\limits_{l=1}^{f}{\frac{d}{dt}\frac{\partial L}{\partial {{{\dot{q}}}_{l}}}\frac{\partial {{{\dot{q}}}_{l}}}{\partial {{{\dot{Q}}}_{k}}}=}\sum\limits_{l=1}^{f}{\frac{d}{dt}\left( \frac{\partial L}{\partial {{{\dot{q}}}_{l}}}\frac{\partial {{q}_{l}}}{\partial {{Q}_{k}}} \right)}

TeX (checked):

{\frac {d}{dt}}{\frac {\partial {\tilde {L}}}{\partial {{\dot {Q}}_{k}}}}=\sum \limits _{l=1}^{f}{{\frac {d}{dt}}{\frac {\partial L}{\partial {{\dot {q}}_{l}}}}{\frac {\partial {{\dot {q}}_{l}}}{\partial {{\dot {Q}}_{k}}}}=}\sum \limits _{l=1}^{f}{{\frac {d}{dt}}\left({\frac {\partial L}{\partial {{\dot {q}}_{l}}}}{\frac {\partial {{q}_{l}}}{\partial {{Q}_{k}}}}\right)}

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ddtL~Q˙k=l=1fddtLq˙lq˙lQ˙k=l=1fddt(Lq˙lqlQk)
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  • d
  • d
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  • Q˙k
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  • t
  • L
  • q˙l
  • q˙l
  • Q˙k
  • l
  • f
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  • L
  • q˙l
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