Derivation of the Euler-Lagrange Equation — Greg School
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Derivation of the Euler-Lagrange Equation — Greg School
In this section, we'll derive the Euler-Lagrange equation. The Euler-Lagrange equation is a differential equation whose solution minimizes some quantity which is a functional. There are many applications of this equation (such as the two in the subsequent sections) but perhaps the most fruitful one
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