Questions tagged [math-operators]
{math-operators} is about operators in math mode. These include sums, integrals and similar, text operators like sin, cos, etc.
871
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Exotic bracket symbols for a math article [duplicate]
I'm looking for a new type of "bracket" symbol for a math article, which is analogous but easily differentiated from $(\cdot),[\cdot],{\cdot},\langle \cdot\rangle,|\cdot|,<\cdot>$.
...
- 161
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votes
3
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55
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elementary school-like math operation
I'd like to write an equation formatted like this
Term can be writted with siunitx package, but to align them like this? \flalign{} doesn't do exactly what I ask.
Any idea?
- 113
3
votes
2
answers
223
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How can I renew the macro "\log" (from "log" to "\ell og")?
How can I renew the macro "\log" (from "log" to "\ell og")?
Default function \log in line 1
I use renewcommand for \log:
\renewcommand{\log}{\ell\text{og }}
That shows ...
- 33
0
votes
1
answer
62
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How to get cleaner code for the division sum?
\documentclass{article}
\usepackage{graphicx}
\usepackage{longdivision}
\usepackage{cancel}
\begin{document}
\section {Even Numbers}
Even numbers are numbers that can be divided by two without ...
- 11
0
votes
1
answer
36
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How can I create this table in overleaf?
I want to create this table in overleaf but I don't know how to add the three dots in the middle.
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1
vote
0
answers
45
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What is the correct spacing for an operator inside vertical bars?
I have recently learned from questions like
Unwanted Space Between Vertical Bar and Math Operator
that we should write
\lvert \sin(x) \rvert
instead of
| \sin(x) |
for denoting the absolute value of ...
0
votes
2
answers
94
views
How to stop \newcommand and \DeclareMathOperator from adding unnecessary spaces?
I'm creating a list with common math commands that I use, but \newcommand and \DeclareMathOperator both add a space after the symbol I just defined. For example, comparing the two commands defined ...
- 35
0
votes
2
answers
86
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Reverse of inclusion in Latex [duplicate]
How can we write the reverse of "inclusion" in Latex style? Like in the second statement here?
0
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2
answers
63
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How to change the size of large operators uniformly?
In my opinion, the large operators are a little large, especially off lines. So is there any way to descale them uniformly? A MWE is as follows:
\documentclass{article}
\usepackage{amsmath}
\begin{...
- 2,791
1
vote
1
answer
55
views
Introduce math operator without requiring amsmath package
Want to introduce a math operator named sgn but without using amsmath.
- 29
1
vote
5
answers
131
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How to write a triple fraction with one missing line
I want to write a triple fraction with the first horizontal line missing. I tried doing it with a combination of \dfrac and \substack, or with matrices. But nothing looks similar to this:
Does ...
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0
answers
13
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How can I make a quadruple dash sign? (i.e. equivalent sign with one dash more) [duplicate]
There are the equal sign (=, i.e. two dashes) and the equivalent sign (\equiv, three dashes). But how can I make a similar sign with four dashes?
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3
votes
1
answer
148
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Why does my \hbar look like this?
This \hbar is ugly with the bar too high and too left
This is what I want
My settings are:
\documentclass{beamer}
\usetheme{default}
\usecolortheme{seahorse}
\setbeamertemplate{navigation symbols}{}
\...
- 119
3
votes
1
answer
62
views
Using math commands inside \ExplSyntaxOn
I am trying to define new commands using xparse package. To be specific I am trying to abbreviate integrals from this \int\limits_{a}^{b}\ f(x)\ \mathrm{d}x to a more reader friendly \dint[a,b]{f(x)}{...
- 33
0
votes
1
answer
63
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Big S math symbol representing both sum as well as integral
I need a big integral-sum symbol in mathematics environment like the big S symbol that was used by Schiff in his monograph on Quantum Mechanics (McGraw-Hill)
2
votes
1
answer
269
views
Better Distinguish Greek \Sigma and math \sum?
I need to use both \Sigma and \sum in an article, and realize they are so close (except for their size) that they can be confusing for the reader.
I have looked at alternatives for \Sigma ideally, or ...
- 400
0
votes
1
answer
24
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Horizontal spacing of math operator and parenthesis
Take the following code for example,
\documentclass[]{article}
\begin{document}
\begin{equation}
\exp x
\end{equation}
\begin{equation}
\exp (x)
\end{equation}
\begin{equation}
\exp \...
- 353
14
votes
1
answer
2k
views
How can I convince TeX to add space around math operators?
Since when is this good typesetting?
What's the best way to make TeX typeset all three like the bottom one? Do I need to resort to a new command that outputs {\ \cup\ }? That would seem to fly in ...
- 329
1
vote
3
answers
114
views
How do I type a vector concatenation symbol like this one?
I am trying to find out a way to type this symbol illustrated below by latex, which means vector concatenation.
Does anyone know it? Thanks a lot!
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0
votes
3
answers
55
views
Changing operator font for only one operator
I want to declare a custom operator op that is supposed to use sans-serif font.
No other operator (\sin etc.) shall use sans-serif.
I tried to use \DeclareMathOperator which yields correct spacing ...
0
votes
0
answers
52
views
Vector arrow is not on the letter but shifted to left
I'm trying to type a vector notation over a letter but it ends up with a failure. It looks like the vector arrow and the letter I want to make a vector take two different spaces.
Here's the code:
\...
- 1
8
votes
3
answers
695
views
Primitive sum in latex
How to type a primitive sum (a summation sign with "*" sign at the top right corner) inside the equation?
- 83
4
votes
2
answers
64
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Seeking help on a macro \DefineOperator
I'm trying to build a command \DefineOperator for defining multiple operators at one time, which can be used like this:
\DefineOperator { ord, card, car, disc }
\DefineOperator { id, Id, Ker, Image = ...
- 4,849
10
votes
4
answers
811
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Re-define "mu" in "$\mu$m" for units (upright \mu instead of italic \mu)
I have a 300+ page thesis and I constantly used $\mu$, which showcases mu in italic format. Now my supervisor wants me to correct this to non-italic. I do not want to change each one-by-one, therefore ...
- 121
-1
votes
3
answers
106
views
Command with variable number of arguments [*1 argument] + different behaviour depending on number of arguments and type of argument [closed]
I would like something that goes...
from this:
\cmd{⟨x_1⟩}
\cmd{⟨x_1⟩,⟨x_2⟩}
\cmd{⟨y_1⟩}
\cmd{⟨y_1⟩,⟨y_2⟩}
\cmd{⟨x_1⟩,⟨y_1⟩}
\cmd{⟨x_1⟩,...,⟨x_n⟩,⟨y_1⟩}
\cmd{⟨x_1⟩,⟨y_1⟩,...,⟨y_n⟩}
\cmd{⟨x_1⟩,...,⟨...
- 47
6
votes
2
answers
289
views
Correct spacing for Hodge star operator
In my textbook, the Hodge star operator is represented as an asterisk character with the same spacing as in the following image:
But when I use the * character in the obvious way:
\[
\ast d \ast \phi ...
- 163
2
votes
1
answer
80
views
plus sign not shown in exponent [closed]
I am writing in Latex in the github markdown as shown below.
Why is the plus sign not working in this example?
<img src="https://render.githubusercontent.com/render/math?math=P(X^{t + 1}) \...
- 121
-3
votes
1
answer
53
views
Need LATEX code for this equation? [closed]
Hi, i'm writing a conference paper and i'm new to Latex. It's hard for me to write this equation. Kindly help me with this.
Thanks
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1
vote
1
answer
54
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How to stack \Rightarrow and \nLeftarrow?
I would like specify an operator that combines "implies" and "is not implied by". What I have in mind is something like a $\Rightarrow$ stacked over $\nLeftarrow$. I tried all of ...
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1
answer
65
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please help in emergency [closed]
hi everyone could you help me. how can I write in tex
1
vote
1
answer
32
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Creating a variant of \varinjlim without redefining \varinjlim itself
I would like to define a command \laxcolim which renders the same as \varinjlim does, except with two "l"'s instead of one. But I still want the usual \varinjlim command to be available to ...
- 179
2
votes
2
answers
68
views
Looking for a way to write this expression on latex
Looking for a way to write this expression with LaTeX, I'm using the online Overleaf, but I can see no way to sort this out. The expression consists of a nabla symbol with a ring on it.
0
votes
0
answers
59
views
How to type math expressions within ( | )
I am brand new to LaTeX after typing in Word on mac using Equation Editor. Journals now seem to want LaTeX, so I am trying to learn it. I am trying to type a mathematical expression A(Y|X). I typed:...
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3
votes
2
answers
95
views
Subscript underneath probability
I want to write probabilities of the form
I have a command that looks like this:
\newcommand{\prob}[2][]{\mathcmd{\Pr\left[{#2}\if!#1!\else\mid{#1}\fi\right]}}
But how can I add the subscript to the ...
- 1,036
0
votes
2
answers
61
views
Solving equation with under and above right arrow
How can I write my equation this way and size:
I could not find something like this arrows that can be written above and under I've tried \underrightarrow but it's not what I need. also having issues ...
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0
votes
1
answer
46
views
How can I avoid MnSymbol to redefine the bracket parenthesis?
I'm trying to save the definition of the square brackets since the package MnSymbol redefines it. I think the redefined ones are aesthetically ugly.
I'm looking for a solution similar to this.
A ...
5
votes
4
answers
297
views
\vDash and \models but with three horizontal lines
I'm looking for way to draw the \vDash or the \models operator but with three horizontal lines instead of just two. Is there an easy way to do this?
It should look something like this:
Thanks for any ...
- 61
1
vote
1
answer
32
views
DeclareMathOperator and fontawesome: Spacing problems
I am trying to use the symbol \faPlus from the latex package fontawesome and I have some troubles with the spacing.
I declare my symbol with
\DeclareMathOperator\plus{\text{\rm\scriptsize\faPlus}}
The ...
- 1,894
4
votes
2
answers
86
views
Don't want limit on top of varprojlim
When in displaystyle mode, using \varprojlim_{i \in I}^{1} gives
However, I want to look more like
The above can be obtained by {\varprojlim_{i \in I}}^{1} but I was wondering if there's some way to ...
- 143
0
votes
3
answers
65
views
How can add two blanks between sum and its expression?
The simple latex sum expression:
\sum\limits_{i=0}^{n} \frac{1}{(1+x)^i} = 100
It create the below formulas:
How can add two blanks between sum and its expression such as below?
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2
votes
2
answers
93
views
Mathematical symbol [duplicate]
Does anyone know how to write the following symbol in Latex?
I have tried to find it, but I can`t find it.
Thanks in advance.
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2
votes
1
answer
51
views
Problematic use of predefined named operator?
In section 3.15 of the Short Math Guide for LaTeX, it says
When predefining such a named operator is problematic (e.g., when using one in the title or abstract of an article), there is an alternative ...
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votes
1
answer
68
views
How to write constraints above or below logical operators in latex? [duplicate]
I want to write constraints below logical operators like or. How do I do it. There is a question already on AND here, how do I do it for OR operator/ other operators like implication etc?
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3
votes
0
answers
33
views
Setting additional brackets according to the pattern in the operator
Good day everyone!
Maybe someone can suggest how to define a new (or override an existing) operator in a document, so that depending on the argument, the external output changes. In particular, I'm ...
- 97
2
votes
0
answers
41
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5
votes
3
answers
120
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Unnecessary numbering is came for equation parts
I am on writing the following equation, but I am facing a problem that equation numbering is coming for the different steps of the same equation.
The MWE as follows,
\documentclass{article}
\...
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6
votes
3
answers
170
views
How do I slant the Computer Modern root symbol?
Considering this question, actually I not remember as I must straighten square root symbol to have the classic sqrt symbol. I have used (for example),
\def\mySqrt{\radical"0270373\relax}
but it ...
- 46.2k
3
votes
2
answers
266
views
\oplus and \bigoplus with vertical or horizontal line instead of cross
I came across this great paper, Typing linear algebra: A biproduct-oriented approach by Hugo Daniel Macedo and José N. Oliveira, where they use this nice notation highlighted below for junc and split ...
- 480
4
votes
2
answers
177
views
How to write a text below a math operator
I want to achieve this
but if I use
\mathrm{argmax}_{y\in\mathcal{Y}}
it does not put y\in\mathcal{Y} below argmax. How can I solve this?
- 41
3
votes
2
answers
49
views
Centering sub/superscript of operator after scaling
I would like to make the sub-/supperscript smaller 10% and use package scalerel to do that.
Everything is fine until I find out that the sub-/superscript in operators are also scaled but they are not ...
- 139