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

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1answer
135 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
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3answers
85 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
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3answers
901 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 ...
9
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2answers
282 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 ...
0
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1answer
94 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
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1answer
155 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
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1answer
310 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}} ...
12
votes
4answers
613 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
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4answers
114 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?
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3answers
348 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
124 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
113 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 = ...
2
votes
3answers
2k 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 ...
1
vote
1answer
83 views

About greater sign and sigma

What I want to write is if N+1 > N we do sigma (all the N) / the length of the array For the greater sign I use If N+1 \textgreater N But it's shown like this if N+1 >N No space ...
5
votes
0answers
81 views

Is using DeclareMathOperator for functions the right thing to do? [duplicate]

I'm wondering if I use the \DeclareMathOperator for the wrong things. For example I have a cost function cost(x,y) which takes two arguments. I would declare it as \DeclareMathOperator*{\cost}{cost} ...
0
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0answers
142 views

LaTeX for word style divide?

In microsoft word equation, it's possible to write a / b in a format that a is slightly upper than normal text, the / can be entered using \ldivide. Is it possible to do so in LaTeX?
3
votes
1answer
111 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 ...
5
votes
1answer
208 views

Big shuffle symbol?

I am looking for a "big" version (sum-class symbol) of the ш symbol (shuffle product). I only found a binary version. Any ideas?
1
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0answers
90 views

How to fix \min in beamer?

If I use \min in a regular document, it shows correctly: However, if I use the same command in a beamer presentation I get: Here's my header: \documentclass[mathserif]{beamer} ...
6
votes
1answer
157 views

sign for multiple $\Diamond$-product

I use $\Diamond$ as a product sign and want to have something like $\bigDiamond_{i=1}^{n}$ to note multiple $\Diamond$-products. Similar to $\wedge$ and $\bigwedge$ or $\vee$ and $\bigvee$. Is there a ...
0
votes
0answers
21 views

Renew math operator [duplicate]

There is an already defined math operator inside TeX that I want to change it by another letter. I am just wondering what is the best practice. Below I give an example for the \Pr -> "Pr" command ...
8
votes
2answers
143 views

DeclareMathOperator and align environment

Minimal working example: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{align} &s + t &\text{foo}\\ &\sin x &\text{bar} \end{align} ...
12
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5answers
538 views

Integration Symbol with Limits

How can I write the integration symbol in latex as shown in the picture?
3
votes
2answers
89 views

Lining numbers in mathnormal

Is there a simple way to have lining numbers (instead of old style ones) using \mathnormal{} ? I want $\mathnormal{abc123}$ to look like $abc123$. My problem is that I have an operator ...
0
votes
2answers
110 views

How to create this simple model with arrow and text on the top?

How to create this simple model with arrow and text on the top ? Regards
5
votes
5answers
273 views

How do i create a rectangle with parallel line inside it?

How to create rectangle with parallel line?
3
votes
3answers
3k views

Problem in writing the system of equation in LaTeX

Here's the code I have and here's the system of equation it creates which is not working as desired. Do you know how I can fix it? \item For what value of $b$ would the following system fo equations ...
1
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1answer
198 views

How to show a wide bar over a letter?

I want to have a wide bar over XY but it just shows a small bar. Any idea? \item In the standard $(x,y)$ coordinate plane, point $X$ has coordinates $(-4,0)$ and point $Y$ has coordinates $(0,-8)$. ...
12
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2answers
416 views

Better automatic spacing of differential d?

This question was basically about whether the differential d should be upright or italicized, not about how to achieve that in tex. However, this useful answer did suggest something like the following ...
4
votes
1answer
114 views

Create Pole/Point Integral Symbols

I want to create the following shaped integrals found in the unicode-math package symbols list: I created my own package a while ago for defining some symbols/shortcuts, and I want to recreate ...
1
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0answers
15 views

How to denote number of summands below the expression? [duplicate]

If we want to write for example $\mathbb{N}=\mathbb{N}\times\dots \mathbb{N}$ and below the RHS write "n copies" how we will do it in Latex?
3
votes
1answer
96 views

Words under sum that's in a denominator

if I try this; Substituting the expression for \(\Psi\) in to the above and rearranging we derive an expression for the vacuum field \(\Psi'\) as a function of \(\mu \), \begin{equation} \Psi' = ...
7
votes
1answer
429 views

How to redefine a command using \DeclareMathOperator

I'd like to declare some new operators using \DeclareMathOperator and some of the names are already taken by other commands (that I do not want to use). Is there an equivalent to the \renewcommand ...
4
votes
1answer
100 views

Why are certain mathematics operators not defined and how do I replicate them?

I noticed that while \ker renders correctly as the "kernel" operator in Linear Algebra, the corresponding \im for the "image" is not defined (I tried everything that could possibly be an abbreviation ...
11
votes
3answers
221 views

Easy command or package for properly formatted integrals?

I like to format my integrals so that there is less space between the integral sign and the integrand, more space between the integrand and differential, and so that the differential is upright. ...
4
votes
2answers
199 views

Resizing dynamically the `e` of the exponential function

I've been looking around and found that this question has been asked at least a couple of times, but the solutions are been correct work around. Let's say that I have a formula with a piece like: ...
2
votes
1answer
145 views

How to use \owedge and \boxwedge

We can use symbols of $\otimes$ and $\boxtimes$, $\oplus$ and $\boxplus$, $\ominus$ and $\boxminus$ in Latex. However, do we have $\owedge$ and $\boxwedge$, which combines $\wedge$ in the mid of a ...
5
votes
1answer
306 views

Always have the ring of the tensor product below the \otimes

I would rather have always have my tensor product look like $A\underset{R}{\otimes}B$ but still write $A\otimes_R B$. Is there a way to make this happen by some command in the preamble? (it's ok if it ...
6
votes
3answers
1k views

\mathop in sums and limits

What is the \mathop command meant to be, officially? I see it used in indexes of sums and limits to improve the spacing, e.g. \sum_{n\mathop = 1}^\infty a_n Why doesn't it just format it like ...
5
votes
2answers
144 views

Question about limits in lim command and scale in mathtools package

This is a follow up question regarding the limits in \lim command and mathtools package. To begin with how can I make the limits to start at the beggining of the lim symbol and not ahead of it? ...
0
votes
1answer
50 views

use a “+” or “-” by itself without terms

I want to typeset an I with a subscripted "+" sign. How can I do this? I know there's a trick to tell TeX that there are no operands, but I can't remember what it is, and I can't seem to search for it ...
4
votes
1answer
206 views

Example of a complex compound tikz math statement

Could someone provide an example of a complex compound mathematical statement in tikz as I find that most of the answers out there are difficult to understand or lacking. I want a MWE example like ...
4
votes
2answers
393 views

Not able to show negative signs

I have the following. \item Arrange in ascending order (smallest to largest): $−6, −2, 0, 1, −5, 4, 3$ But this output does not have negative signs. 6, 2, 0, 1, 5, 4, 3 It shows negative in ...
6
votes
3answers
338 views

How do I write $\sim$ approximately with the correct spacing using siunitx?

This question is similar to this one, only that I'm using the siunitx package: \documentclass{minimal} \usepackage{siunitx} \begin{document} The temperature is \SI{\sim 200}{\kelvin}. \\ The ...
8
votes
1answer
301 views

Integral Sign $\int…$

does anybody know how to write integral signs in LaTex that are slanted to the left, and not the right. See here if you do not know what I mean: (From ...
3
votes
3answers
258 views

“Average sum” symbol

Is there a convention for an average sum symbol, for instance \overline{\sum_{i \in I}} to mean \frac{1}{\#I} \sum_{i \in I}? I can live with the overline option but it does not look good in inline ...
1
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0answers
69 views

\varamalg and \varcoprod operators for disjoint union

For the disjoint union, I don't like \amalg and \coprod very much. So, I did all my best to create a \varamalg with this code: \documentclass{article} \usepackage[utf8]{inputenc} ...
4
votes
2answers
155 views

Designing medcirc and circledtimes symbols

It would be great to use only \medcirc and \circledtimes from the pxfonts or to design the similar symbols by other techniques. The symbols from pxfonts are quite well but when I connect the ...
3
votes
1answer
107 views

A simple solution to using widebar on subscripted symbol with small space with the subscript

Looking for a simple method to use a widebar over a letter with subscript, but have the space remain the same as when using \bar as \overline produces large space which does not look good even though ...
2
votes
1answer
709 views

How to write partial eta square in LaTeX?

Problem: Writing partial eta square in LaTeX. I couldn't find anywhere online giving guidance to this statistic symbol. Example (it's the symbol to the left): Any help would be appreciated.