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Euler-Lagrange equation |
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Euler-Lagrange equation [¦ȯi·lər lə′grānj i‚kwā·zhən] (mathematics) A partial differential equation arising in the calculus of variations, which provides a necessary condition thaty(x) minimize the integral over some finite interval off(x,y,y′)dx,wherey′ =dy/dx;the equation is (δƒ(x,y,y′)/δy) - (d/dx)(δƒ(x,y,y′)/δy′) =0. Also known as Euler's equation. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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