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Euler-Lagrange Derivative

The derivative

(deltaL)/(deltaq)=(partialL)/(partialq)-d/(dt)((partialL)/(partialq^.))

appearing in the Euler-Lagrange differential equation.

See also

Euler-Lagrange Differential Equation, Functional Derivative, Variation

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Cite this as:

Weisstein, Eric W. "Euler-Lagrange Derivative." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Euler-LagrangeDerivative.html

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