Tagged Questions

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

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5
votes
1answer
42 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?
1
vote
3answers
95 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 ...
0
votes
2answers
39 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? ...
7
votes
2answers
286 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
1answer
78 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 ...
2
votes
1answer
50 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
81 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?
8
votes
3answers
153 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
86 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: ...
0
votes
0answers
50 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
67 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 ...
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
43 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
86 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
124 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 $\nuSwap$, ...
8
votes
1answer
161 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 ...
1
vote
1answer
63 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
56 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
604 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
votes
2answers
204 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
votes
1answer
59 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
137 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
299 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
388 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
77 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?
1
vote
3answers
201 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 ...
6
votes
3answers
101 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
86 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
290 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
72 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
67 views

Is using DeclareMathOperator for functions the right thing to do?

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
votes
0answers
66 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
98 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
173 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
vote
0answers
75 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
134 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
19 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
135 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
votes
5answers
451 views

Integration Symbol with Limits

How can I write the integration symbol in latex as shown in the picture?
3
votes
2answers
83 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
101 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
249 views

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

How to create rectangle with parallel line?
3
votes
3answers
1k 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
vote
1answer
58 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
votes
2answers
359 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
92 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
vote
0answers
14 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
87 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' = ...
4
votes
1answer
197 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
94 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 ...