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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 Secant method ： ウィキペディア英語版 Secant method In numerical analysis, the secant method is a root-finding algorithm that uses a succession of roots of secant lines to better approximate a root of a function ''f''. The secant method can be thought of as a finite difference approximation of Newton's method. However, the method was developed independently of Newton's method, and predated the latter by over 3,000 years. ==The method== The secant method is defined by the recurrence relation :$$ x_n =x_-f(x_)\frac})} =\frac)-x_f(x_)})} As can be seen from the recurrence relation, the secant method requires two initial values, ''x''0 and ''x''1, which should ideally be chosen to lie close to the root. 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「Secant method」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.