{math-operators} is about operators in math mode. These include sums, integrals and similar, text operators like sin, cos, etc.

learn more… | top users | synonyms

76
votes
4answers
89k views

Command for argmin or argmax?

How can you get the argmin or argmax in Latex? Two solutions I found are: \underset{x}{\operatorname{argmax}} \DeclareMathOperator*{\argmin}{arg\,min} Any other ideas? [1] ...
12
votes
5answers
3k views

Define strange operators

I' looking for a symbol rendering the connected sum of $n$ topological spaces (or other quite strange topological operations) in a "product-like" manner... What For example in writing $$ ...
2
votes
1answer
668 views

Custom radical sign with plain XeTeX

I would like to use Cambria Math font in mathematical equation, and I have a simple problem here. plain TeX uses many symbols for the root sign, so it can use the proper one depending on context, ...
77
votes
4answers
5k views

Spacing around \left and \right

Why does the addition of a \left and \right introduces an extra space around the formula? Specifically, why do $\cos(\theta)$ and $\cos\left(\theta\right)$ render differently? Is there a way to use ...
3
votes
2answers
1k views

How do I change the spacing for math operators?

I have defined my own math operator (for displaying the order of certain function sequences--this is not the "normal" Big-O notation, though) by: ...
7
votes
2answers
1k views

Continued Fractions as an operator.

In dealing with continued fractions in LaTeX, I've become less and less enamored of the \cfrac construct. Especially in my case where I deal with complicated numerators and denominators, listing a few ...
17
votes
7answers
11k views

Average integral symbol

Is there in LaTeX a symbol or a macro for the average integral with a horizontal slash? I know about \strokedint, but I'd prefer the dash to be horizontal.
47
votes
6answers
12k views

Define additional math operators to be typeset in roman

Mathematical operators, such as function names, should be set in roman type, not italics. Latex already has commands for some operators, including \max, \min, and \log. How can I define additional ...
38
votes
8answers
2k views

How can I specify a long list of math operators?

The preambles of my LaTeX documents often include many many lines of \DeclareMathOperator instructions, e.g. \DeclareMathOperator{\Rep}{Rep} \DeclareMathOperator{\Tet}{Tet} ...