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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 Tangent vector ： ウィキペディア英語版 Tangent vector :''For a more general, but much more technical, treatment of tangent vectors, see tangent space.'' In mathematics, a tangent vector is a vector that is tangent to a curve or surface at a given point. Tangent vectors are described in the differential geometry of curves in the context of curves in R''n''. More generally, tangent vectors are elements of a tangent space of a differentiable manifold. Tangent vectors can also be described in terms of germs. In other words, a tangent vector at the point $x$ is a linear derivation of the algebra defined by the set of germs at $x$. == Motivation == Before proceeding to a general definition of the tangent vector, we discuss its use in calculus and its tensor properties. 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「Tangent vector」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.