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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。
calculus - Limit of $\frac {\sqrt {1-\cos x}}x$ using l'Hôpital ...
Nov 29, 2015 · I'm trying to find $$\lim_ {x\downarrow 0}\frac {\sqrt {1-\cos x}} {x}$$ using l'Hôpital's rule but I seem to be stuck in a loop. I have tried applying l'Hôpital several times but …
10本深度学习(Deep Learning)入门书籍推荐
英文名称:《Neural Networks and Deep Learning》 本书是一本非常优秀的深度学习入门书籍,内容非常深入浅出,讲解神经网络和深度学习技术,侧重于阐释深度学习的核心概念。通过学习 …
Formula for $1^2+2^2+3^2+...+n^2$ - Mathematics Stack …
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What does $\tan x = 1$ mean? - Mathematics Stack Exchange
It's the sine divided by the cosine, which is exactly the same thing as the famous slope formula "rise over run" So if x is the angle a line through the Origin makes with the positive horizontal …
游戏评测的 1% 最低帧(1% Low FPS)是什么意思? - 知乎
2、最高性能 电脑性能冗余越大,1%就越接近平均帧。 通常来说,体验派的3A大作比如赛博朋克2077、荒野大镖客2,1%LOW在50以上时,就能带来不错的游戏体验。 而偏向PVP或者竞技 …
factorial - Why does 0! = 1? - Mathematics Stack Exchange
Intending on marking as accepted, because I'm no mathematician and this response makes sense to a commoner. However, I'm still curious why there is 1 way to permute 0 things, …
Word,插入多级列表,但是改了1.1,第二章的2.1也变成1.1,随着 …
注1:【】代表软件中的功能文字 注2:同一台电脑,只需要设置一次,以后都可以直接使用 注3:如果觉得原先设置的格式不是自己想要的,可以继续点击【多级列表】——【定义新多级 …
Mathematics Stack Exchange
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国家自然科学基金上会与否,FS01,FS02等后缀有意义吗? - 知乎
国家自然科学基金上会与否,FS01,FS02等后缀有意义吗? 网传,可根据国家自然科学基金的后缀名判断是否上会,请问有意义吗? 按下面步骤: 1. 基金网站—申请与受理界面—点申请书— …