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Talk:Variational integrator

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Order of the Integrator

[edit]

From the article:

   since
   ,
   our integrator will be second-order accurate.

May someone explain how to derive the second order? I mean, how does one obtain the term? The trapezoidal rule itself is only first order accurate.

--129.187.194.33 (talk) 12:24, 6 October 2016 (UTC)[reply]