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Exercise [20.17]
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deant
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12 Jul 2010, 07:44
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Exercise [20.17]
The EulerLagrange equation states:
We define
When
is independent of
, the righthand side of the EulerLagrange equation is zero, and so we get:
...i.e.
is a conserved quantity.
19 May 2012, 09:01
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