Questions tagged [math-operators]

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

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432 views

Symbol “represented by” from quantum mechanics [duplicate]

The symbol I'm referring to is a standard equal sign with a dot right above it. I've looked around, but cannot seem to find the LaTeX code for the symbol used by Sakuri to represent operators in his ...
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0answers
20 views

XeLaTex: error on Z operator of an equation

I try to write the following equation using amsmath: So far I tried the following approaches: $H : G \rightarrow \Z_{q}^{*}$ $H : G \rightarrow \Zeta_{q}^{*}$ But both of them result to erroneous ...
2
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1answer
71 views

Resize several math operators to the same size

I need to use several math operations between the same kind of objects and would like them to be of matching sizes. E.g. I have two different operations: $\otimes$ and $\ast$. But the asterisk is much ...
2
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2answers
216 views

How do I fix the parentheses and division bar spacing in this quotient of partial derivatives?

With this code: $\frac{\left(\ffrac{\partial \left[\frac{P}{T}\right]}{\partialV}\right)_T }{\left(\ffrac{\partial V}{\partial T}\right)_V}$ And where: \newcommand{\ffrac}[2]{\ensuremath{\frac{\...
3
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1answer
107 views

Define a new big operator in ConTeXt

I would like to replace the sum symbol by a big plus as Pedro G. Mattos wanted to do here How can I define a big plus operator that works like \bigcup?. In the wiki I found that the command I should ...
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1answer
52 views

How can i type a negative angle

How can I type a negative angle? Like this: I've been trying a lot of things around $U\angle\gamma$ but couldn't make it work.
1
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1answer
44 views

Error when defining a math operator and corresponding `\renewcommand`

I tried to define a new math operator - essentially a math macro. I wanted to define an operator for the Eccentricity of a graph or network. The code seems to work when I generate a PDF, however I am ...
5
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1answer
115 views

Wrong position of the vcentered minus sign in subscript using stix2

Is there any way to place minus sign at the same height as the horizontal bar of the plus without using raisebox? \documentclass{article} \usepackage{stix2} \begin{document} \( I_{a\vcenter{\hbox{$...
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1answer
1k views

No spacing after \Sigma?

There seems to be barely any spacing (if at all) after \Sigma, making it hard to read. Is this normal? Is there any way around it? $ \Sigma_{v \in V} \alpha $ Output: Desired output:
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1answer
79 views

Are there any packages which simplify typsetting integrals?

The physics package has been instrumental for me in typesetting math cleanly and consistently (while following a lot of nuances of mathematical typesetting). But it does not have integral support. ...
2
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0answers
1k views

How to create an expectation symbol that behave similarly to \sum? [duplicate]

Introduction This question is already asked here. If you want you could consider this one a duplicate. However, even if the proposed solution satisfied the one that posted the question, it doesn't ...
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1answer
429 views

Further questions about mathrm and operatorname: spacing after \colon

EDIT: As clarified in the answers below, this appears to be a bug with amsmath and colon and thus doesn't really have anything to do with mathrm versus operatorname. This question contains an ...
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2answers
230 views

How do you resize the box of a symbol, while vertically centering it?

Consider the following MWE: \documentclass[margin=2mm]{standalone} \usepackage{amsmath,amssymb} \usepackage{graphics} \def\myboxmin{\mathop{\raisebox{.15em}{\scalebox{.5}{$\boxminus$}}}} \begin{...
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1answer
82 views

\DeclareMathOperator not working on some math names with a number at the end

I am trying to use \DeclareMathOperator to make names for some Maple generated latex which uses the special function LommelS1 For some reason I can't figure out, it is not working. \documentclass[...
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0answers
82 views

Problem with font math operator

this is my first time here because I need a help about main font and math font. When I use the standard font, there isn't problem, but, when I change the main font, for example "Gill Sans MT", the ...
2
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1answer
361 views

Formatting of a star in the right upper corner of a product symbol [duplicate]

I'm trying to get a star in the right upper corner of a product symbol: \documentclass{article} \usepackage{amsmath} \begin{document} First variant in equation is bad: \begin{equation}\...
2
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1answer
70 views

Reverse an existing big math operator keeping same functionality (such as limits)

I would like to define an operator \rsum which has all the same functionality of \sum with the only difference being that \rsum displays a mirrored image of the sigma glyph. I have found the ...
4
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1answer
79 views

\mathop applied on colon

I thought I knew when \mathop centers its argument on the math axis and when it does not, but apparently I'm wrong (admittedly, that happens rather often :-)). \documentclass{article} \begin{...
3
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2answers
61 views

How can I create macros that always have the same kind of behavior?

So this question is actually two, but I think they'll be solved in the same way, so I'm putting them together. The form \textstyle\lim_{n\to\infty} always bothers me, because it takes up lots of ...
9
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2answers
1k views

Why is this weird space appearing after my minus sign

I'm using MathJax-Node to turn TeX maths equations into both MathML and SVG on my server. Mostly this works fine. But when I render Tupper's self-referential formula, a weird space appears after the ...
6
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2answers
169 views

\DeclareMathOperator adds spaces after the periods contained in its second argument (name text)

The following MCE points out that \DeclareMathOperator, if its second argument (name text) contains periods, adds spaces after those periods: \documentclass{article} \usepackage{amsmath} % \...
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1answer
64 views

How to generate \biguminus math symbol?

How do I create a \biguminus symbol which is similar to \biguplus except there is a minus sign instead of plus sign?
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2answers
116 views

What in the following code could be missing or at fault? There is no difference in size between textstyle and displaystyle [closed]

\documentclass[a4paper]{article} \usepackage{slashed} \usepackage{amsmath} \usepackage{mathabx} % \degree\third \usepackage{MnSymbol}% \plus % Latex standard: \times \newcommand{\boto}{\...
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3answers
70 views

Mathematical equation using { with following three lines

I would like to typeset the following equation in LaTeX: However, I am stuck here: \begin{equation} \label{OBV1} \begin{split} OBV = OBV\textsubscript{previous} + \Bigg\{ \end{split} ...
1
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1answer
486 views

Math symbol doesn't work properly

Something quite strange. Why I have as a result of the following formula: \begin{equation} \omega=\lambda_{1}\Sigma^{-1}\bf{1}+\lambda_{2}\Sigma^{-1}\mu \end{equation} a black square instead the ...
3
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1answer
132 views

a more elegant subscript

I would need a suggestion to write a new command for superscripts and subscripts. the problem occurs above all with double pawns or with external paws to a parenthesis Written in this way are really ...
2
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1answer
377 views

Apply Math operations on loaded data inside PGF/Tikz plot for each column

I am new to LaTeX plotting system and I have got lost in a problem, I have a csv file which has 11 columns, and I want to plot columns 2 to 11 vs column 1. So I do it as given in the following code (...
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2answers
422 views

Index under sum symbol below following equation

I have a sum symbol with a quite long index underneath. This produces too much space between the following signs. \begin{equation} \sum_{X\leq-VaR_\alpha(X)}{P(X)\cdot x} \end{equation} I would ...
14
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2answers
1k views

What is the right space between a math operator and its subscript?

I am trying to define a command for a math operator \mathcal P_\mathrm{ext}. So I thought some candidates for this: \mathcal P_\mathrm{ext}(H) \operatorname{\mathcal P}_\mathrm{ext}(H) \...
2
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1answer
315 views

How can I use ESSTIX font in LaTeX

I am quite interested in the ESSTIX symbol font. The question is, how can I use symbols from this font set? In particular, I am quite interested in those symbols in ESSTIX6 (especially the integral ...
2
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3answers
241 views

True fixed-width font for standalone mathematical expressions

I'd like the following to be in a fixed-width (i.e. monospace) font, so I can get the various expressions lined up nicely in order to (probably with a bit of manipulation) make their similarities and ...
2
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1answer
164 views

How do I get \DeclareMathOperator to put the limit beneath? [duplicate]

I use at the picture above: \DeclareMathOperator{\vo}{vol} And this is the complete line: \[ \lim_{a}=\vo_{a} \] I can make that the a will be below the vol? (like the lim). Thank you!!
0
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1answer
149 views

Generate math symbols from argument

I have been trying to create a small latex math symbol reference. My list will require repetition of lines like \textbackslash lfloor - $\lfloor$. I want to create a command that takes in one argument ...
1
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1answer
283 views

Macro for writing 10^power

Can we define a macro for writing "10^power" using a single command? like I am using following macros for various units. \documentclass[a4paper,12pt,oneside,openright]{report} \usepackage{listings} ...
3
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2answers
322 views

Centering Three Vertical Dots With the Math Axis

I have a formula like below w(\boldsymbol{\kappa})=\frac{1} {2}\boldsymbol{\kappa}\,\vdots\,\mathbf{G}\,\vdots\,\boldsymbol{\kappa} which has an output of the form I want the triple vertical dots ...
4
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4answers
1k views

Long summation symbol

I need to put a long expression under summation symbol in single row. For example like this $(i_1,\ldots,i_n)\in\mathcal{P}(\overline{1,n})$. How can I get a long summation symbol? Long but not tall. ...
0
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2answers
376 views

Does there exist a 'curly' multiplication symbol?

Question: Does there exist a 'curly' multiplication symbol? For example, for 'curly' equal sign, we have $\approx,$ which distinguishes itself from the normal $=$ sign. I would like to do the same ...
6
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0answers
382 views

unicode-math: problem with math versions and operator font --?

When changing the math font using \mathversion under unicode-math, math operator commands (such as \lim or \cos) lead to an error message stating "math alphabet identifier \mathrm is undefined in math ...
5
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3answers
10k views

Rounding to nearest integer symbol in Latex

There are some threads here, in which it is explained how to use \lceil \rceil \lfloor \rfloor. But generally, in math, there is a sign that looks like a combination of ceil and floor, which means ...
5
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1answer
178 views

New Notation for Comma Categories

I would like to ask about a nifty macro for the following operator from category theory, to be used to denote comma categories: It takes two arguments, such as (category, object), (object, functor), (...
4
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2answers
271 views

Define a binary operator such that in displaymath subscripts are set below

At the moment I am using the following commands for tensor products respectively completed tensor products: \documentclass{article} \newcommand{\tensor}{\otimes} \newcommand{\comptensor}{\mathbin{\...
1
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1answer
597 views

Large greek letters [closed]

For products and summations there are \prod and \sum, which are larger than normal greek letters and accepts limits. I need the same thing for a capital delta, does this exists? Edit to clarify: I ...
2
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3answers
317 views

Math macro for typesetting partial derivative with variable placeholder for both numerator and denominator

I'd like to type time-derivatives such as $ \frac{\partial x}{\partial t} = f(x,t) $ as well as spatial gradients such as $ \frac{\partial y}{\partial x} = k y $ To make the code readable and to ...
0
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1answer
245 views

Inserting mathematical operator in Lyx

I would like to insert the less than or equal mathematical operator in the text of a Lyx document. Insert/Special Character/Symbols shows the symbol in the text, but compiling results in an error ("...
2
votes
2answers
125 views

Invalid Math Operator Declaration in LaTeX

I am trying to define two operators, FM0 and FM4, using the code below \DeclareMathOperator{\FM0}{FM0} \DeclareMathOperator{\FM4}{FM4} But when I use them as \FM0(x) = \frac{\PP(x)}{\sum_{i=1}^{N} ...
2
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1answer
95 views

how to represent Sum in latex [duplicate]

I want to represent the following sum in LaTeX. I have tried it in the following way: $$\sum_{{1 \le k \le n}_{ k odd}} k^2$$ But I have not got the desired result. Please help me.
8
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3answers
848 views

Libertinus Math: (too) small math symbols?

I am using LuaLaTeX and the unicode-math package with Libertinus Math as main font (it's a good match for Minion Pro). This is probably intended to be so, but I feel some symbols, e.g., the tensor ...
0
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0answers
45 views

How to invert a mathematical operator? [duplicate]

How can I invert a mathematical operator about an imaginary vertical axis that runs through the symbol's center? Specifically, consider the symbol \prec, which resembles the less-than symbol <. I'd ...
17
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2answers
2k views

About the use of curly braces

Although I use LaTeX a lot, I still have a lot to learn about it, and I still have many questions which remain unanswered. One in particular bothers me: when and why must I use curly brackets when ...
1
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2answers
620 views

How can we write \mathcal{a letter} as a subscript

I wish to write T in the subscript of \rho as \rho_{\raisebox{-2pt}{\tiny T}} But the desired case is: writing the T in the format of \mathcal. When I write \rho_{\raisebox{-2pt}{\tiny \mathcal{T}}...

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