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## Main Question or Discussion Point

In this document, how do I get 3.2 on page 12? I assume it is the Euler-Lagrange equation given in 3.1 just rewritten. But how?

Many thanks in advance

Many thanks in advance

- Thread starter Lapidus
- Start date

- #1

- 343

- 11

In this document, how do I get 3.2 on page 12? I assume it is the Euler-Lagrange equation given in 3.1 just rewritten. But how?

Many thanks in advance

Many thanks in advance

- #2

- 343

- 11

- #3

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[tex] \frac{d}{dt} \frac{\partial L(q,\dot{q})}{\partial \dot{q}^{i}} =\frac{\partial^2 L}{\partial \dot{q}^{i} \partial q^{j}} \frac{dq^{j}}{dt} + ... [/tex]

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