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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 Perturbation function ： ウィキペディア英語版 Perturbation function In mathematical optimization, the perturbation function is any function which relates to primal and dual problems. The name comes from the fact that any such function defines a perturbation of the initial problem. In many cases this takes the form of shifting the constraints. In some texts the value function is called the perturbation function, and the perturbation function is called the bifunction. == Definition == Given two dual pairs separated locally convex spaces $\backslash left(X,X^$ *\right) and $\backslash left(Y,Y^$ *\right). Then given the function $f:\; X\; \backslash to\; \backslash mathbb\; \backslash cup\; \backslash$, we can define the primal problem by :$\backslash inf\_\; f(x).\; \backslash ,$ If there are constraint conditions, these can be built into the function $f$ by letting $f\; =\; f\; +\; I\_\backslash mathrm$ where $I$ is the indicator function. Then $F:\; X\; \backslash times\; Y\; \backslash to\; \backslash mathbb\; \backslash cup\; \backslash$ is a ''perturbation function'' if and only if $F(x,0)\; =\; f(x)$.〔 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「Perturbation 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.