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visits member for 2 years, 10 months
seen Jun 15 '13 at 15:28

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accepted What variables does the action $S$ depend on?
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comment What variables does the action $S$ depend on?
Why do you add at v(t) = qdot(t)? instead, why not just write qdot(t) in place of v(t) and write L(q, qdot, t)?
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awarded  Scholar
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asked What variables does the action $S$ depend on?