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  • notation - Difference between ≈, ≃, and ≅ - Mathematics Stack . . .
    In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical Operators B
  • c - What does tilde (~) operator do? - Stack Overflow
    I recently saw the above operator in a code,I googled for it but found nothing The code is below Please describe what actually does this operator do? #include lt;stdio h gt; int main() { unsig
  • Applications of ~ (tilde) operator in Python - Stack Overflow
    The standard use cases for the bitwise NOT operator are bitwise operations, just like the bitwise AND , the bitwise OR |, the bitwise XOR ^, and bitwise shifting << and >> Although they are rarely used in higher level applications, there are still some times where you need to do bitwise manipulations, so that’s why they are there Of course, you may overwrite these for custom types, and in
  • 波浪号（～）是什么意思，正规的用法是什么？ - 知乎
    按照国家标准，当你是使用波浪线符号的正规用法——表示一个数字范围的时候，请用一字宽的 「～」 U+FF5E FULLWIDTH TILDE，不推荐使用 「〜」 U+301C WAVE DASH。 后者很多字体不支持，语义上也不是最好，类似于 OS X 上的省略号。 当作为语气符号（ @ luckystar
  • What is $\tilde {T}$ in Axlers Linear Algebra?
    4 $\tilde {T}$ is a very common construction in abstract algebra Not so much in linear algebra per se, but it fits into the general framework No doubt this is why Axler introduces it, but does not do much with it
  • 中文环境下，象声号究竟应该使用「〜」（U+301C WAVE DASH）还是「～」（U+FF5E FULLWIDTH TILDE）？
    中文环境下请尽量使用 U+007E TILDE 或 U+FF5E FULLWIDTH TILDE。 如果偏好窄于汉字的样式或西文字体样式，就用 U+007E TILDE；如果偏好一字宽的样式或中文字体样式，那就用 U+FF5E FULLWIDTH TILDE。 这主要是个 Unicode 字符的问题，和标点符号用法基本无关。
  • python - Tilde sign in pandas DataFrame - Stack Overflow
    @Zero, arguably not a duplicate question, the question refers specifically to the context of a tilde operating on a pandas DataFrame which has behaves differently to the tilde in standard Python (e g Booleans), whereas the linked question asks about the tilde operator in a broad sense
  • notation - What does a tilde underneath an inequality mean . . .
    I've recently come across an expression of the form $$\\large x \\lesssim y$$ What does this expression mean?
  • 数学符号 ŷ 的中文和英文读法分别是什么？ - 知乎
    一手经验：（英文为母语人士念法，中文为国内大学我遇到说法） y^ (^ 在上) 念 y-hat；中文 y-帽 y- (- 在上) 念 y-bar；中文 y-杠 y ( 在上) 念 y-dot；中文 y-点 y~ (~在上) 念 y-tilde；中文 y-波浪 y→ (→在上) 念 y-arrow；中文 y-箭头 需要说明的是，这些念法只是多数人的发音方式，并没有任何规定如何念
  • The tilde operator in Python - Stack Overflow
    Just to complete things further, the tilde operator is documented for integers at This clear's things up for me a bit I was a bit confused because in Python integers are arbitrary precision by default, unlike C where we usually have integer sizes like 32 or 64 bits, so it is a bit hard to understand what binary operations mean in Python





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