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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 Two-center bipolar coordinates ： ウィキペディア英語版 Two-center bipolar coordinates :''For related concepts, see Bipolar coordinates.'' In mathematics, two-center bipolar coordinates is a coordinate system, based on two coordinates which give distances from two fixed centers, $c\_1$ and $c\_2$. This system is very useful in some scientific applications (e.g. calculating the electric field of a dipole on a plane).〔(R. Price, The Periodic Standing Wave Approximation: Adapted coordinates and spectral methods. )〕〔(The periodic standing-wave approximation: nonlinear scalar fields, adapted coordinates, and the eigenspectral method. )〕 ==Transformation to Cartesian coordinates== The transformation to Cartesian coordinates $(x,\backslash \; y)$ from two-center bipolar coordinates $(r\_1,\backslash \; r\_2)$ is :$$ x = \frac :$$ y = \pm \frac\sqrt where the centers of this coordinate system are at $(+a,\backslash \; 0)$ and $(-a,\backslash \; 0)$.〔 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「Two-center bipolar coordinates」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.