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- 知乎 - 有问题,就会有答案
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。
- 1 8, 1 4, 1 2, 3 4,7 8英寸分别是多少厘米? - 知乎
把1英寸分成8等分: 1 8 1 4 3 8 1 2 5 8 3 4 7 8 英寸。 This is an arithmetic sequence since there is a common difference between each term In this case, adding 18 to the previous term in the sequence gives the next term In other words, an=a1+d (n−1) Arithmetic Sequence: d=1 8
- Why is $1 i$ equal to $-i$? - Mathematics Stack Exchange
11 There are multiple ways of writing out a given complex number, or a number in general Usually we reduce things to the "simplest" terms for display -- saying $0$ is a lot cleaner than saying $1-1$ for example The complex numbers are a field This means that every non-$0$ element has a multiplicative inverse, and that inverse is unique
- Why is $1^ {\infty}$ considered to be an indeterminate form
The reason why $1^\infty$ is indeterminate, is because what it really means intuitively is an approximation of the type $ (\sim 1)^ {\rm large \, number}$ And while $1$ to a large power is 1, a number very close to 1 to a large power can be anything
- Machine Learning: Is the softmax function Lipschitz with Lipschitz . . .
Therefore, lipschitz constant is less than $\frac {\sqrt {K-1}} {K} < 1, \forall K \geq 2$ Please let me know if you don't understand some step or find some ambiguity in above proof
- abstract algebra - Prove that 1+1=2 - Mathematics Stack Exchange
Possible Duplicate: How do I convince someone that $1+1=2$ may not necessarily be true? I once read that some mathematicians provided a very length proof of $1+1=2$ Can you think of some way to
- Is $1$ a subset of $\ {1\}$ - Mathematics Stack Exchange
$1$ is generally not a subset of $\ {1\}$, since $1$ is a natural number (or a real number, or whatever) and not a set These objects are of two different types
- 想请大神给小白科普一下音频声道的专业知识,什么是2. 1声道、5. 1声道、7. 1声道?
5 1声道的第一次使用,追溯到1976年,当时杜比实验室修改了Todd-AO 70毫米胶片上6个类比音轨的使用方式,但当时在电影《洛根的逃亡》中杜比实验室的光学矩阵编码系统中,没有使用独立的环绕声,因此还不是真正的5 1,杜比实验室第一次在70毫米胶片中使用
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