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My question is related to this one. However in my case, the Lagrangian can depend on higher order derivatives (so the second point made doesn't hold). Can someone help me with it?

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closed as unclear what you're asking by StephenG, John Rennie, stafusa, Kyle Kanos, Jon Custer Sep 18 '18 at 13:03

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.