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 Block.

Notation for set excluding element Ask Question Asked 9 years, 2 months ago Modified 9 years, 2 months ago

What is the "standard" way to denote all positive (or non-negative) real numbers? I'd think $$ \\mathbb R^+ $$ but I believe that that is usually used to denote "all real numbers including infinit...

I am helping with homework. I am stumped here - What is the meaning of the small round circle, or small "o" in question 19 (that I underlined) and question 20

I have also seen the bracket operator to mean expectation. In that case, $\bar {x}$ would be the sample mean and $\langle x \rangle$ the expected value (of a continuous random variable).

Most people use base 10; it's obviously the common notation in the modern world. However, if we could change what became the common notation, would there be a better choice? I'm aware that it ver...

They are integral parts of larger notations which don't have any individual formal meaning -- the fact that expressing the entire notation in English sometimes involves saying "such that" between the things …

May 23, 2011 · I have a question about the proper notation of the following (simplified) example: I want to express that I have a value alpha, which is the maximum of a set of n values. Each value in the set …

To summarize what has been said in the comments, there are no "official" symbols. Use whichever notation you feel most comfortable with, as long as it makes sense and can be easily understood by …

May 11, 2018 · 0 You can use any compact notation of your choice as long as you define it well. Suppose, for example, that I wish to use $\mathcal R$ to denote the nonnegative reals, then since …