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

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2
votes
1answer
78 views

Standard AMS-Sum Operator using MnSymbols?

Because a professor who reads one of the lectures I attend this term writes so slowly, I typeset a lecture script for that lecture in TeX. For the use of some symbols and for better underbrace ...
5
votes
2answers
120 views

Spacing around math operator in sub-/superscript

Consider the following: \documentclass{article} \begin{document} What I have: \[x^{1+1}\] What I would like: \[x^{1\,+\,1}\] That is, I will like to have spacing around the operator as in ...
4
votes
3answers
140 views

Symbol for not conditionally independent

I have previously used some code from here to produce a symbol to represent the conditionally independence of some variables. Does anyone know a method for generating a symbol for not conditionally ...
4
votes
3answers
272 views

How do I write logical iff symbol?

I'm currently hearing a lecture about formal systems (a computer science lecture). The lecturer makes a symbol that is written like overlying < and >: Every time when he draws it, he says ...
12
votes
5answers
2k views

How to create my own math operator with limits?

How can i write my own math operator with limits? I want it to look like: \sum\limits_{e=1}^{m} but with a capital A (if possible bigger than the normal text) instead of the sum. Thanks for the ...
4
votes
2answers
52 views

sqrt sign with sharp or rounded corner

My MWE \documentclass[a4paper,11pt]{article} \usepackage{letltxmacro} %MACRO \LetLtxMacro{\oldsqrt}{\sqrt} % makes all sqrts closed \renewcommand{\sqrt}[1][\ ]{% ...
4
votes
1answer
60 views

Add very nice lambda in empheq package or package-less

My MWE \documentclass[a4paper,11pt]{article} \usepackage[T1]{fontenc} \usepackage[utf8]{inputenc} \usepackage{lmodern} \usepackage{empheq} %\usepackage{mathptmx} \begin{document} ...
39
votes
2answers
12k views

newcommand vs. DeclareMathOperator

As far as I understand, whatever can be done using DeclareMathOperator can also be achieved using newcommand, but not the other way around. If this is the case, what are the circumstances where ...
4
votes
1answer
136 views

mathematical operator disappear

I have a problem with mathematical operators such as "=", "+" etc. Whenever I type them within a mathematical environment (equation, eqnarray, in line equations via $...$, displayed equation via ...
1
vote
3answers
132 views

Looking for stylized H-symbol

I'm wondering if LaTeX knows the following symbol (sorry for the hand-drawing, I didn't even find it online once): It's kind of a stylized H letter that is sometimes used to denote the Hilbert ...
5
votes
1answer
48 views

How to change math symbols of the stix package to CM ones?

Well, math operators like \int or \sum provided by the stix package are in my opinion ugly and I want those of CM instead. Is it possible? If so, how?
0
votes
2answers
49 views

Resizing the sum operator [duplicate]

The following simple expression produces a sum operator as in (1). But I want it to be bigger like in (2), of course, without altering the size of inner braces. Any suggestion? ...
3
votes
1answer
1k views

Enlarge the integral sign proportional to its content

In LaTeX you have a command like \left(\right) to enlarge the brackets proportional to the content between the brackets. for instance \left(a\right) will produce smaller brackets than ...
7
votes
2answers
295 views

How to add mathematical notation of a set

I'm pretty new to Latex, so please bare with me. I'm trying to add this notation to my document: I created the above picture from the Online Latex Equation Editor, but it seems that when I try ...
2
votes
2answers
1k views

Using \Mathsmaller in math display mode makes the character appear to the right of the symbol itstead of below it

I am trying to use \prod in math display mode but it appears large (larger than I want it to be) but when I use \mathsmaller from the relsize package the letter appears on right side of it instead of ...
2
votes
1answer
83 views

If f is the name of a math function, should it not be set upright? [closed]

I was happy to find out that my intuition about setting differential operators and common math constants was right (see the accepted answer). However, this got me thinking. My rationale for using ...
13
votes
2answers
581 views

Symbol for skeptical consequence that matches the turnstile package

This might be seen as a follow up to Symbol for skeptical consequence. From it I got answers so that I could write that B is a skeptical consequence of A such as which Peter Grill's code produces. ...
5
votes
1answer
749 views

negated double turnstile

I'm new to the turnstile package, and I'm trying to figure out how to get a negated double turnstile sign, like the one with the regular \nvDash, but that allows me to have arguments above and below ...
8
votes
2answers
355 views

How to type a tall / symbol?

Say I want \documentclass{article} \begin{document} \[cl(V, q) =\left (\sum_{r=0}^{\infty} \bigotimes^r V\right)/\{v\otimes v = -q(v,v)\}\] \end{document} How to make the "/" symbol longer to ...
9
votes
2answers
2k views

Is there a “medium” \cap?

When displaying the intersection symbol in equations, e.g., $$Hom(A,B) \cap Hom(B,C)$$ I find that the "cap" is too small; its height is, in fact, subordinate to the surrounding content. On the ...
8
votes
1answer
184 views

Circled equal with same size as \oplus/\otimes with pdflatex

My question I am trying to make an equal circled of the same size as \oplus or \otimes, etc. I tried to use the solution provided here : How do I put a circle around an operator? However, the ...
2
votes
1answer
70 views

Symbol similar to \equiv

What's the command for typing 3 lines exactly like \equiv but with index in the middle of top line? Thanks. EDIT: this is the symbol I meant
2
votes
1answer
86 views

The sign for “questioned equal to”

I want to write in TeX this sign: ≟ (Put in headings for bigger size). What's the syntax?
3
votes
1answer
99 views

Line breaking in math mode

Under default settings a line can be broken in math mode after binary operator with \binoppenalty or after relation with \relpenalty. I'd like to preserve this behavior but alter the result so the ...
8
votes
3answers
185 views

atan2 does not work with pgfplots

Trying to plot the amplitude and argument of two sine waves in terms of their amplitudes and phases using pgfplots, An error appears while compiling the atan2 function (supported by pgfmath). Here is ...
5
votes
2answers
93 views

Math operator always in textstyle

I would like to define a macro that expands to the same symbol as \sum but using the inline style (\textstyle) even when used in a displayed environment. Here's what I got: ...
49
votes
3answers
9k views

What is the difference of \mathop, \operatorname and \DeclareMathOperator?

One sees all kind of versions in source files for defining something like a limit etc. So my question is which one serves what purpose. Is there any "best practice" in chosing one over the other?
9
votes
1answer
1k views

Integral limits with amsmath in LuaLaTeX

Also reading the thread about Making integral ∫ use \limits by default with unicode-math I'm not quite happy with the solution. With pdfLaTeX I use the code \documentclass{article} ...
0
votes
0answers
57 views

convert latex formula to image using rtf2latex2e

i am having a tex file converted from rtf (OS: windows 8.1) using rtf2Latex2e . is ther e is any options to convert all formula,subscript ,superscript... to image because when i am trying to convert ...
3
votes
1answer
90 views

Redefine DeclareMathOperator [duplicate]

I'm looking for a way to replace \DeclareMathOperator{\Operator}{Operator} by something which would resemble \MathOperator{Operator}. I tried to define a new command ...
14
votes
1answer
29k views

LaTeX adjusting \sum limits

is there a way to show \sum limits partially in inline mode and partially in display mode? i.e., I want to write \begin{equation} \sum_{n=-\infty}^{+\infty} [...] \end{equation} but this way the ...
0
votes
0answers
33 views

How can I make the larger integration sign without using this $$…$$ [duplicate]

How can I make the larger integration sign without using this $$...$$ Since I have written that $(Uu)(x,y)=\dfrac{1}{\Gamma(r_1)\Gamma(r_2)} \int\limits_0^x \int\limits_0^y ...
4
votes
1answer
48 views

Float addition operator in LaTeX?

I need to get the +. sign (see the OCaml float addition operator) in LaTeX. However, when I try: *$\mid h :: t \-> h +. sumList(t)$ \\** The output is as follows: How can I make sure that ...
4
votes
2answers
112 views

Smashoperator for the vertical space?

I would like to vertically smash a summation sign in a way that the line has a vertical space as if the summation sign wouldn't be there. To illustrate it please see the MWE. The space between the ...
2
votes
2answers
134 views

Hyphen separating symbols, without intervening spaces

What's the easiest/least ugly way to avoid the spaces around the hyphen in the following macro? \documentclass{article} \newcommand{\nuSwap}{\nu-\textsf{swap}} \begin{document} I get $\nuSwap$, ...
9
votes
2answers
218 views

how can I align limits at “lim”?

I am trying to align several limit expressions at varying x-values. It seems that align treats the "limit" portion together with its subscript as an entire object, then aligns these limits, which ...
1
vote
1answer
72 views

Short line in math expression?

I have a mathematical terminology, and I can not do it correctly using LaTex. The origin form is in picture below: My version is: The main problem is the line between a number and the word ...
7
votes
3answers
68 views

Vertically align at operator, but keep default horizontal spacing

This is a follow up to «How can I align limits at “lim”?». What is the best approach to achieve the following alignment? Namely, I would like the two \prod to be aligned, but each line should remain ...
7
votes
3answers
658 views

Symbol for “defined to be logically equivalent” (:⇔)

Is there a way to typeset the symbol ":⇔" correctly in LaTeX (i.e. with the right alignment and spacing)? I know that using :\Leftrightarrow or :\Longleftrightarrow gets me the symbol I'm looking for ...
0
votes
1answer
70 views

Table for Binary Operations

I am trying to build a table used for different binary operations, especially with thicker lines on the sides separating the elements in the set from the "products" of the operations. I know this ...
3
votes
1answer
146 views

How to adjust self defined multiple product signs

The latex code below produces multiple product signs: \documentclass{article} \usepackage{amssymb,amsmath,graphicx,color} \newcommand{\invcircledast}{% \mathbin{\vphantom{\circledast}\text{% ...
13
votes
1answer
302 views

Opposite product signs in the sense that black and white are interchanged

In a special algebra I use with amssymb the products \newcommand{\bDiamond}{\mathbin{\Diamond}} \newcommand{\bLozenge}{\mathbin{\blacklozenge}} \newcommand{\bCircledast}{\mathbin{\circledast}} ...
11
votes
4answers
408 views

Filled \Diamond-product sign

I use the multiple \Diamond-product sign (\bDiamond) as described in sign for multiple $\Diamond$-product. Now, in addition, I would like to have a filled \Diamond-product sign, i.e. filled with ...
1
vote
4answers
88 views

Symbol for definition := [duplicate]

Sometimes the symbol := is used to denote a definition. For example, X:=Y+Z means that X is defined to be Y+Z. When using LaTeX, can I just use $:=$, or do I need to do something special?
14
votes
4answers
3k views

Spacing between triple vertical lines

I would like to create a norm-like operator with 3 verticals bars instead of two. It has to look like $|||\cdot|||$. I would like to know how to decrease the spacing between the vertical bars such ...
1
vote
3answers
232 views

Redefining Infinity in LaTeX

Infinity is defined as something that is uncountable. But every where I see the symbol of Infinity as a closed loop. My professor said, that it symbolizes that the boundary of Infinity is determined ...
7
votes
3answers
107 views

Is there any global settings to add \limits to evey \sum, \bigcup etc?

I'd like to put the superscripts and the subscripts always above or below the symbols like \sum,\bigcup,\inf etc, even in the inline mode, but I don't want to add \limits everytime. I tried ...
2
votes
1answer
95 views

Discrete and continuous Centroid equations in LaTeX

I would like to write the following equations in LaTeX: and The first one (with the integrals) I managed to make similarly using the following code: \begin{equation} COG = ...
34
votes
6answers
9k 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 ...
2
votes
3answers
622 views

Sane spacing after min max

The default definitions of \min and \max insert basically no space after them, which looks really awful when stating optimisation problems, etc., in display equations. I could not figure out any way ...