Questions tagged [math-operators]
{math-operators} is about operators in math mode. These include sums, integrals and similar, text operators like sin, cos, etc.
4
votes
2answers
95 views
Math symbols in math operators
I would like to customize the weak-star limit as a math operator. It should look like w$^*$-lim. I don't want to use w*-lim or w^*-lim because it looks ugly. But when I write
\DeclareMathOperator*{\...
1
vote
1answer
66 views
Collection of redefined commands
I find myself creating new commands for latex commands that I commonly use in order to cut down on the cognitive load of what I am writing.
An example would be writing matrices, instead of writing ...
0
votes
0answers
19 views
How to redefine a csc function to display cosec? [duplicate]
I need help to define the csc function to display as cosec. I've tried \textrm{cosec} \theta, but this does not give the same output as \sin \theta, because the space between the theta and the ...
0
votes
0answers
14 views
for this specific font style, \mathbf{} does not work [duplicate]
In Latex, how to generate this specific type of character, it seems that \mathbf{E} is not the one.
1
vote
1answer
182 views
The LaTeX syntax for this probabilistic formula
I would like to create a math formula as follows. How do I write it in LaTeX?
3
votes
1answer
35 views
Math “metaoperator” adding dot and preserving math class
I want to define a command, call it \dotted, that adds a period at the right place next to certain other math characters*: to the right of function-like tokens, i.e. Ord and Op, and to the left of ...
4
votes
1answer
155 views
Getting this error. Missing { inserted
\begin{equation}
\max_{\substack{k , {k^'}}}|{G_k-G_{k^'}}| \leq T_1\\
\end{equation}
I am not getting what are the errors. Please help me.
1
vote
1answer
38 views
Create a math environment inside itemize
I would like to portray a list of text, were on of these blocks of text needs a centered Summation equation inside of one item of the list. is that possible?
I have very little experience in Latex, ...
0
votes
1answer
42 views
Proper way to semantically enclose several characters as a single name
Answering this question could involve saying something about MathJax. It depends on what turns out to be the answer. I am interested in how things should be done in the LaTeX side, though.
LaTeX, as ...
2
votes
1answer
41 views
Enumeration indicator for number of arguments of a function
I'm trying to replicate this style of indicator for dotted enumeration as suggested below
Can some one help me with this one?
6
votes
2answers
6k views
A Strange Latex Symbol
In the book ``All of statistics A Concise Course in Statistical Inference'' of Larry Wasserman has a strange symbol, and look like a coil spring ... How can I use it in LaTeX?
10
votes
2answers
283 views
How can I reduce the gap between left and right of \cdot with a macro?
MWE
\documentclass[a4paper,11pt,border=1pt]{standalone}
%\LetLtxMacro{\oldcdot}{\cdot}
%\renewcommand{\cdot}{\!\cdot\!} <-- Like this
\begin{document}
$3\cdot 10^8$ m/s
\end{document}
I'm getting ...
0
votes
0answers
17 views
How to write italic capital I / iota? [duplicate]
I'm trying to write I in the following style:
How do I do this?
0
votes
1answer
30 views
multiple math operators newcommand not working
I'm trying to create a \newcommand, on my system, called \states which takes two arguments. It should look like this (image below):
But the angle brackets are not appearing when I try (MWE) :
\...
0
votes
1answer
27 views
Operator font with lualatex not changing correctly
I'm using newpx as my document font. However I'm having some problems when compiling with lualatex because the font of math operators does not change to newpx and Computer Modern is shown instead.
...
4
votes
3answers
559 views
Complex fractions
How to make this more adequate ('beatifuller' :))? 2 needs to be better shown as being in the power of n-1, but the current representation just smothers it.
\frac{1}{1-\sum_{2}^{n} \frac{1}{{\frac{r}{...
41
votes
4answers
2k views
How do you make your own symbol when Detexify fails?
My first visit to TeX.SX came when I was looking for a symbol for a twisted product:
I knew about Detexify and the Comprehensive LaTeX Symbol List, but I could not find the symbol there. I tried the ...
4
votes
4answers
401 views
How to make a small $\varhexagon$ in latex?
I would like to have a command that shrinks down the size of $\varhexagon$ from the wasysym package in latex to a very small size.
In principle, $\tiny \varhexagon$ does what I want, but apparently ...
0
votes
1answer
38 views
Letter O with vertical line: operator null [duplicate]
I wan to know how this letter O with a vertical line for operator null in maths. Thanks.
2
votes
0answers
99 views
slender \lgroup and \rgroup
The default \lgroup symbol in the most of math-mode fonts is thicker as compared to the text- and math-mode alphabets and numbers. A few fonts provide slender \lgroup symbols like newtxmath, mathabx, ...
13
votes
3answers
175 views
Setting fixed height (in all situations and characters) for overset notations
A noticeable downside to aesthetics in the \vec{} notation is that, for "short" and "tall" characters (a, i, v vs b, k, l), the overset vector notation shows difference in its height from the baseline....
3
votes
2answers
49 views
Import txfonts integral
I was trying to import the integral symbol from txfonts. In txfonts.sty I was able to find only multiple integrals of any type but the simple single one. I am sure I am missing something, can someone ...
0
votes
0answers
63 views
How to typeset nested radical/root expressions?
I'm writing my own math expression typesetting engine. I want to learn how to best typeset radical expressions. The choices actually apply to all radical expressions, however, nested radical ...
1
vote
2answers
249 views
Transpose a matrix and parenthesis
I would like to define a command transp having eventually one argument : the name of the matrix and finally two outputs.
\transp{A} is the matrix A^T between parenthesis,
\transp A is just the ...
1
vote
2answers
53 views
Defining TikZ function to produce Knodel graphs
I am trying to define a function that will produce a Knodel graph (examples pictured below).
I'm not completely sure how the code works for TikZ to do a for loop using a range, and how to compute ...
5
votes
3answers
102 views
Parenthesise math expression if it contains operator
Imagine I have written several fractions of the form $\frac{V+W}{U}$ and decide later that I want them to be displayed as a slashed fraction instead. In the group where I want this to happen, I can ...
1
vote
1answer
60 views
How to type summation notation with a vertical line in Latex?
I need to type the following summation symbol in Latex. Could anyone help me? Literally, there needs to be a vertical line in a summation symbol, and $\hat{\beta}_2$ is just a subscript. Thanks in ...
1
vote
0answers
26 views
Math mode in Tabular environment [duplicate]
With tabular or tabularx environment, when dealing with numbers , percentages and other math symbols per se, do we need to use the math mode ( $$ for instance ) with every number/symbol.
Is there an ...
0
votes
0answers
50 views
Pre-define complicated math operators
Problem
I am trying to find a easy way to write Rademacher complexity so that I just need to write different index, function and constraint every time. Like defining partial derivative I previously ...
0
votes
0answers
49 views
What is a good way to declare math operators?
it's not really clear to me how to declare unary and binary math operators in a "good" way. At the very least, I'd like spacing to be correct. But I'd also like the defined macro to be used "as is" in ...
5
votes
1answer
84 views
Align vector symbol with upright math letter
So basically I need to put a vector symbol (\vec) on an upright letter for which I use \mathrm in math mode. For example:
\vec{\mathrm{E}}
While Katex seems to get the alignment right on all the ...
1
vote
2answers
93 views
Underscript, subscript and superscript add the same time possibly via \mathoperator* without trailing space
I have a symbol, which I want to give a underscipt, subscript and superscript.
I tried:
\DeclareMathOperator*{\wmat}{w}
\wmat_2_i^j
But now I get a space between my symbol and the sub and ...
1
vote
3answers
197 views
Stacking Symbols for a Math Operator [duplicate]
I want to create a math operator that is an integral with a square (\square) stack onto it such that the integral is still formated the way that the operator \int is. How do I do this?
1
vote
1answer
207 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 ...
0
votes
0answers
19 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
votes
1answer
47 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
votes
2answers
126 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{\...
0
votes
0answers
40 views
Using “\R”, for real numbers, results in error “Undefined control sequence” [duplicate]
I would like to insert a double-struck letter ℝ for the real-numbers. However, all of my attempts so far have yielded an error.
\documentclass[sigconf]{acmart}
\begin{document}
\section{...
0
votes
0answers
35 views
How to define an arbitrary math function that works in `tikz` environments? [duplicate]
Using this post:
Package or command for inverse hyperbolic trig functions?
it is easy to write (inverse) hyperbolic Secant function in documents. But the
main problem is it doesn't works on tikz ...
3
votes
1answer
88 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 ...
1
vote
1answer
37 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
vote
1answer
38 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
votes
1answer
95 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{$...
7
votes
1answer
270 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:
1
vote
1answer
76 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
votes
0answers
622 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 ...
14
votes
1answer
284 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 ...
5
votes
2answers
225 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{...
3
votes
1answer
53 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[...
2
votes
0answers
47 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 ...
