翻訳と辞書 Words near each other ・ Controllers (DC Comics) ・ Controller–pilot data link communications ・ Control of ventilation ・ Control of Vibration at Work Regulations 2005 ・ Control operation ・ Control order ・ Control panel ・ Control panel (engineering) ・ Control panel (software) ・ Control Panel (Windows) ・ Control Patrols ・ Control Pictures ・ Control pitcher ・ Control plane ・ Control point ・ Control point (mathematics) ・ Control point (orienteering) ・ Control premium ・ Control reconfiguration ・ Control register ・ Control reversal ・ Control Risks ・ Control rod ・ Control room ・ Control Room (film) ・ Control Room Presents ・ Control self-assessment ・ Control stand ・ Control store ・ Control Strip Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Control point (mathematics) ： ウィキペディア英語版 Control point (mathematics) In computer-aided geometric design a control point is a member of a set of points used to determine the shape of a spline curve or, more generally, a surface or higher-dimensional object.〔.〕 For Bézier curves, it has become customary to refer to the $d$-vectors p$\_i\backslash$ in a parametric representation $\backslash sum\_i$ p$\_i\; \backslash phi\_i\backslash$ of a curve or surface in $d$-space as control points, while the scalar-valued functions $\backslash phi\_i$, defined over the relevant parameter domain, are the corresponding ''weight'' or ''blending functions''. Some would reasonably insist, in order to give intuitive geometric meaning to the word `control', that the blending functions form a partition of unity, i.e., that the $\backslash phi\_i$ are nonnegative and sum to one. This property implies that the curve lies within the convex hull of its control points.〔.〕 This is the case for Bézier's representation of a polynomial curve as well as for the B-spline representation of a spline curve or tensor-product spline surface. ==References== 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「Control point (mathematics)」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.