{symbols} is about specific non-alphabetic symbols or math symbols, e.g., about looking-up, constructing, or using symbols. For questions about {fonts} or alphabetic {characters} use the respective tag instead.

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4
votes
3answers
63 views

Text under or over [duplicate]

I wish to make such a explanation under the formulas: What is the easiest way?
3
votes
2answers
57 views

How do I get arrows that look like this?

How do I get arrows that look like this? It should look like a two headed \Longrightarrow.
3
votes
3answers
46 views

Package inputenc Error: Unicode char ẁ (U+1E81)

I'm trying to use the 'ẁ' character in my text, however it doesn't show on the right hand side of latex and throws the following error: Package inputenc Error: Unicode char ẁ (U+1E81) I tried adding ...
4
votes
1answer
107 views

What does the \var prefix stand for in \varphi and \varepsilon etc?

What does the \var prefix stand for in \varphi and \varepsilon? Is it variable, or perhaps variant? I am thinking the latter, but it would be nice to clarify. Sorry if this is an overly simple ...
6
votes
3answers
299 views

Is there a LaTeX equivalent symbol to Unicode 'SYMBOL FOR NULL' [duplicate]

I'm looking for a LaTeX symbol that has the letters 'NUL' in a single character width. It's a pretty representation for what's often entered as \0 in C-derived programming languages as the string ...
5
votes
2answers
39 views

How to raise the height of a hat when it is over just an empty space?

I would like to write a hat over just an empty space, like \hat{ }. My problem is that I need it to be at a certain height, which happens to be higher that the standard height I get with the previous ...
6
votes
2answers
480 views

± Symbol in text

I can't get a ± symbol to show up in my .pdf document, whether it be within a table, or in the main body of text. Can anyone offer any assistence ? I have read everywhere it is \pm and would write ...
4
votes
1answer
154 views

How do you make a big Laplace Transform symbol

\documentclass{article} \usepackage[hmargin=1in,vmargin=1in]{geometry} \usepackage{amsmath,cancel,color,mathrsfs} \begin{document} Derivation of $ \mathscr {L} \{\int_0^{t} f(\tau)\,d\tau\} $ ...
0
votes
0answers
40 views

The commands : \big(, \bigl( \big), \bigr), \big\{ etc. don't work in my Plain TeX, under Ubuntu 12.04

The commands : \big(, \bigl( \big), \bigr) don't work in my Plain TeX, under Ubuntu 12.04.
4
votes
2answers
197 views

Unusual symbol in equation

How can I type the following in LaTeX?
5
votes
1answer
417 views

Is there an upside-down version of the symbol for $\pi$?

I have been looking at the Comprehensive list of Latex symbols, but can not seem to find an upside-down letter $\pi$. Is there a package that I need to add so that a command like $\copi$ or $\invpi$ ...
1
vote
1answer
56 views

LaTeX symbol for single quote mark that MATLAB will recognize

I'm writing MATLAB code in LaTeX and I would like to be able to cut and paste it directly into the MATLAB command window. One critical symbol is the ' (single quote). When processed by LaTeX it shows ...
1
vote
1answer
70 views

Automatically identify the dependent package for LaTeX symbol command

Given a command like \kreuz, is it possible to create an application that will smartly recognise and import its dependent package wasysym, to enable its rendering out on a webpage? The aim is to have ...
1
vote
1answer
43 views

\int command skipped in compilation [closed]

If I am writing like this: \int_a^b or \int_{a}^{b} it skip the \int and writing only a to the power b but when I am writing only \int without limits it is showing the following error: ! Missing ...
2
votes
1answer
292 views

What is the symbol of end of a proof?

I'm trying to put a black square at the end of a proof, but is not the same as LyX gives me (when I choose "proof" at the menu). It's different from the \blacksquare command (see pic below). The ...
0
votes
0answers
34 views

Xymatrix crossed arrow

I would like to reproduce this figure using xymatrix package, i have encounter difficulties in scaling and in drawing an X cross in the down left arrow. Thanks
0
votes
0answers
28 views

How to make the “doesn't divide” symbol in ShareLaTex [duplicate]

a divides b , $a \mid b$ \\ a doesn't divide b , $a \notmid b$ \\ a doesn't divide b , $a \notbackslash b$ I get ab without a crossed out vertical bar between the ...
4
votes
1answer
92 views

Use of ~ (\tilde) on the top of Capital letters

For small letters a,b,c,d, we can put ~ on the top of these letters by \tilde{a}, \tilde{b}, \tilde{c}, etc. and they are clearly visible in the output. But, while putting them on Capital letters ...
2
votes
3answers
76 views

Generating symbol in LaTeX

I would like to use symbol in my thesis, so please is it possible Thanks
3
votes
1answer
37 views

How to attach properly spaced subscripts to a rotated symbol?

I'd like to attach letters to my rotated symbol and then shrink it down. However, when I do this, the spacing is very much different than when I do the same exact thing to the original symbol. Is ...
2
votes
0answers
38 views

glossaries \glssymbol shows the latex command instead of the symbol [closed]

I am trying to use the glossaries package to create a list of symbols. I've almost succeeded, but I run into a strange error. Here is a minimal working example: \documentclass{report} ...
0
votes
1answer
99 views

Using the # symbol in equations

I want to use the # symbol in Latex equations. I already tried \#, but it is not working: When the # symbol appears in an equation, then the rest becomes a $ sign instead of #. Here is my code: ...
5
votes
3answers
538 views

How to write a sentence full of symbols

I just started using LaTeX and I have a problem including this in my file: X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H* is there some kind of a "de-specialized" environment? ...
1
vote
1answer
292 views

how to insert an upside-down triangle?

I tried inserting an upside-down triangle with \triangledown but even when I put the two $ signs around it, I keep receiving an error. Does anyone know how to insert such special characters?
8
votes
1answer
389 views

How can i prevent LaTex from converting a apostrophe combination to this weird character?

I want to write this But it becomes to this in the resulting PDF file How can i prevent LaTex from converting the apostrophe combination to this weird character?
0
votes
1answer
59 views

LaTeX Symbols do not work any more [duplicate]

my problem should be fairly simple but I am a LaTeX Noob... :) Using WinEdt 10 under Windows 7, compiling with PDFTeXify (standard). If I use basic symbol commands like \pi or \leftrightarrow, no ...
2
votes
2answers
56 views

how to put symbol on top of tensor product

How do I put a $\frown$ right on top of $\otimes$? I tried \stackrel but it leaves too much space between symbols.
5
votes
1answer
84 views

Pounds symbol problem

\documentclass[12pt,addpoints,answers]{exam} \usepackage{amsmath} \usepackage[T1]{fontenc} \usepackage[math]{iwona} %nice font \begin{document} \begin{questions} \question[5] \pounds2600 ...
2
votes
1answer
74 views

How to get this symbol about normal group?

General input normal group use $\unlhd$ or $\trianglelefteq$, I want to get the two symbols in LaTeX: (I see it at P.Grillet. "Abstract Algebra". 2nd ed, GTM242) It's like another symbol ...
7
votes
4answers
253 views

How to make an operator (not relation) = sign

I am formatting a long formula (the result of a computation) using breqn. It looks great if I replace the = sign with an operator like \times. But when I put the = in, I don't like the output. I ...
4
votes
2answers
53 views

Vertically align $\bullet$ marker with \blacksquare marker in text

I use bullets and squares to reference samples in an image. This is how I use them in text: $\bullet, \blacksquare$ {\LARGE$\bullet$}, $\blacksquare$ {\huge$\bullet$}, $\blacksquare$ And this is ...
4
votes
2answers
169 views

How to add overline on top of $\bm B$?

I represent a matrix in bold form throughout my paper, as $\bm B$. I need to add an overline to indicate a subtle transformation to this matrix. However the command $\overline{\bm{B}}$ does not seem ...
3
votes
2answers
60 views

Writing English phonetic symbols when using a different language package

I'm writing a document in Spanish language, and I'd like to introduce English phonetics for some words. Is it possible to do so? I've tried this: \documentclass{article} \usepackage[T1]{fontenc} ...
13
votes
2answers
1k views

Backwards-z symbol

I'm looking for a "backwards-z" symbol in the sense that \times is an "x" symbol. Truly, I'm looking for an \hourglass (aka \udtimes) symbol that is missing one diagonal line. Ultimately, I will use ...
4
votes
2answers
86 views

Fraktur (using yfonts): Specific quotation marks and semicolon

I'm currently using yfonts package for Fraktur hand and want to achieve a style as close to this as possible. While most characters seem sufficient to me I'm especially unhappy with quotations marks ...
1
vote
1answer
32 views

Omit page number in list of symbos using nomencl [duplicate]

I'm typesetting a thesis using a custom class based on book class and to meet the university requirements, all pages in frontmatter must not show the page numbers but must be counted, starting at the ...
3
votes
1answer
122 views

Adjunction symbol in commutative diagram

I'm writing about Category theory using tikz-cd and have a pair of adjoint functors, which is usually denoted by $F\dashv G$ I would like to have this \dashv symbol in a commutative diagram like ...
1
vote
1answer
51 views

Modifying the symbol for non-forking

I want to modify the following lines of code \documentclass{article} \usepackage{amsmath,amssymb} ...
1
vote
0answers
42 views

Why are missing characters reported as warnings and not errors?

In the following example, the PDF compiles without error using xelatex: \documentclass{article} \usepackage{fontspec} \usepackage{xunicode} \usepackage{polyglossia} \setdefaultlanguage{english} ...
3
votes
1answer
57 views

Phone symbol/ Website logo in XeLatex

\texttt{ÔÑã}~\href{tel:\myphone}{\myphone}\\ produce a mobile icon on the pdf file and this one href{https://www.linkedin.com/in/\myweb} {\texttt{ÔÇå}~\myweb} generate the little nice Linkedin logo ...
3
votes
2answers
98 views

Ampersand symbol algorithm environment

How to make a "normal" looking ampersand symbol within the algorithm environment? I'm using \& but this results in a strange looking character as shown below: Here is a minimal example how I ...
1
vote
1answer
42 views

How to create a variant of “\leadsto” symbol with bigger arrow tip?

I want to create a variant of the "\leadsto" ($\leadsto$) symbol with bigger arrow tip, for example, like the arrow tip of $\Leftarrow$. I tried to look at a comprehensive list of Latex symbols but ...
2
votes
1answer
75 views

Command for > and < in mathmode [closed]

I am using LaTeX but embedded in XML. I would like to not have to use > and < directly inside the LaTeX parts. On the other hand, I would like to not have to write them as HTML entities ...
1
vote
1answer
145 views

Nicer inverse symbol

In my diagram, I would like the operator to be centred, i.e. not be influenced by the inverse symbol. And preferably a smaller minus sign, while we are messing up latex anyway. An excerpt of tikz ...
7
votes
4answers
828 views

Pigpen-like symbol for =

I would like to use symbols which look like the pigpen cypher symbols One symbol I need consists of the two horizontal edges of the square, and the other has the vertical edges in it. I cannot just ...
2
votes
3answers
91 views

convert LaTeX symbols into svg files using font files directly

Is there a programmatic way of converting a set of LaTeX symbols into a set of svg files using the font files directly? In particular, I would like to create svg files for some of the symbols that are ...
4
votes
2answers
74 views

What are opening and closing double quotes? And how do I redefine it to be something else?

I have a LaTeX document written with normal English quotes, eg.: ``This is a quoted text.'' Now, I would like to redefine `` and '', so the combination of two ` characters is substituted with, say, ...
3
votes
3answers
217 views

\bot like symbol with two horizontal lines

I'm searching for a symbol that looks like \bot, but with two horizontal lines on the bottom. Roughly like this: | | | ========= I couldn't find anything with detexify, and I've ...
14
votes
3answers
973 views

How to create these nice operators?

I'm trying to typeset a paper in Haskell, and I want to typeset these operators: I'm talking about <*>, <$> and <$. I've seen these before in articles about Haskell. Is there a ...
0
votes
1answer
15 views

Command for function of function? [duplicate]

If I'm trying to write f of g where f and g are functions, what is the command for the of symbol?