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  • affine - 知乎
    知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容，聚集了中文互联网科技、商业、影视
  • 仿射函数这名字好深奥，但概念其实非常简单，为什么要取这个名字？ - 知乎
    我整理一下我查到的资料： “仿射”这个词，翻译自英语affine，为什么会翻译出这两个字，我没查到。 英语affine，来自于英语affinity。英语词根fin来自于拉丁语finis，表示“边界，末端”，例如finish、final等单词。词头ad表示“去，往”，拼出名词affinity，本意为“接壤，结合”，用来指“姻亲，由于
  • intuition - What is the affine space and what is it for? - Mathematics . . .
    It may be more fruitful to compare groups of transformations Speaking of groups acting on a Cartesian space, with the analogous questions in parentheses: orthogonal transformations ("What is an inner product space?"), linear transformations ("What is a vector space?"), affine transformations ("What is an affine space?")
  • 知乎 - 有问题，就会有答案
    知乎 - 有问题，就会有答案
  • What is the difference between affine and projective transformations . . .
    A line has been chosen at infinity, and the affine transformations are those projective transformations fixing this line Therefore, abstractly, the use of the extra parameters is to describe where the line at infinity moves during the projective transformation
  • 现在的笔记软件太多，有没有大佬推荐一款简单好用的？ - 知乎
    纯文本则时时刻刻提醒你，适度引入格式字符。 在现代的笔记软件中，富文本和纯文本都在进化。 Joplin，早期思源，Logseq，Obsidian 等曾就执着于纯文本，而 Tana，Appflowy，Affine，思源等新兴笔记软件似乎并没有执着于纯文本了。
  • What is the difference between projective geometry and affine geometry . . .
    Affine geometry is like projective geometry with one line (the “distinguished line”) labeled “remove this to obtain an affine plane” In this sense, an affine space is a projective space with additional information
  • The difference between affine set and affine hull
    An affine set is just a set with a particular property (the property of being affine) So the definitions aren’t really the same An affine hull is something you define in terms of a given set To define an affine set, you can define the property “affine,” and an affine set is a set with that property





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