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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Lamé function ： ウィキペディア英語版 Lamé function In mathematics, a Lamé function (or ellipsoidal harmonic function) is a solution of Lamé's equation, a second-order ordinary differential equation. It was introduced in the paper . Lamé's equation appears in the method of separation of variables applied to the Laplace equation in elliptic coordinates. In some special cases solutions can be expressed in terms of polynomials called Lamé polynomials. Lamé's equation is :$\backslash frac\; =\; (A+B\backslash weierp(x))y$ where ''A'' and ''B'' are constants, and $\backslash wp$ is the Weierstrass elliptic function. The most important case is when ''B'' is of the form ''n''(''n'' + 1) for an integer ''n'', in which case the solutions extend to meromorphic functions defined in the whole complex plane. For other values of ''B'' the solutions have branch points. By changing the independent variable, Lamé's equation can also be rewritten in algebraic form as :$\backslash frac\; +\backslash frac\backslash left(\backslash frac+\backslash frac+\backslash frac\backslash right)\backslash frac\; =\; \backslash fracy$ which after a change of variable becomes a special case of Heun's equation. ==References== *. *. Available at Gallica. * * * 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Lamé function」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.