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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 Pedal equation ： ウィキペディア英語版 Pedal equation For a plane curve ''C'' and a given fixed point ''O'', the pedal equation of the curve is a relation between ''r'' and ''p'' where ''r'' is the distance from ''O'' to a point on ''C'' and ''p'' is the perpendicular distance from ''O'' to the tangent line to ''C'' at the point. The point ''O'' is called the ''pedal point'' and the values ''r'' and ''p'' are sometimes called the ''pedal coordinates'' of a point relative to the curve and the pedal point. Some curves have particularly simple pedal equations and knowing the pedal equation of a curve may simplify the calculation of certain of its properties such as curvature. ==Equations== 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「Pedal equation」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.