{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.

learn more… | top users | synonyms (3)

15
votes
1answer
4k views

Big floor symbols for fraction

When I write \lfloor\dfrac{1}{2}\rfloor the floors come out too short to cover the fraction. How can I lengthen the floor symbols?
2
votes
0answers
46 views

Usage of \circle command in math mode [duplicate]

I'm writing a document in LaTeX, but I can't figure out how I could write the circle symbol in order to indicate the composition of two linear maps, as LaTeX prints "error" when I compile the file. ...
7
votes
1answer
540 views

Currency symbol: French franc

Is there a LaTeX symbol for French franc; the F-like symbol with a lower horizontal bar -- see http://en.wikipedia.org/wiki/French_franc? I have had a look a both Detexify and The Comprehensive LaTeX ...
0
votes
0answers
57 views

How do I make this fancy chi in TeX? [duplicate]

How do I make this fancy chi symbol in TeX? I've tried both \mathbb{\chi} and \chi to no avail.
2
votes
1answer
210 views

How to make a circular arrow have the same size and position as other circular symbols?

I'm using the mathabx package's circular arrows; however, since I otherwise prefer the usual amsmath symbols, I'm following the setup described in Importing a Single Symbol From a Different Font to ...
5
votes
2answers
279 views

Printing backslash from a luacode* environment

My first attempt with LuaLaTex gave me some headache, trying to generate LaTex code from within LuaLaTex. This required me to print the backslash (to get a LaTeX control sequence).. I think I have ...
1
vote
0answers
78 views

How to write these symbols in Latex? [duplicate]

I need to write a few symbols in LaTeX: but I do not know how can this be done and I cannot do a Google search because I do not know their names.
6
votes
1answer
371 views

Symbol for relative entropy

Could you help me with typesetting the following symbol (marked by red frame): I searched over all possible manuals but was not able to find it. It looks like capital D, but actually it is not the ...
7
votes
2answers
1k views

Special L for Lie Derivative

Does anyone happen to know how to typeset the special L character found, for example, in eq. 2.41 in this paper: http://arxiv.org/pdf/1107.5792v2.pdf that is being used for the Lie derivative? Thanks ...
18
votes
1answer
1k views

Dice symbols for digits up to 9

I'm looking for symbols for dice faces. So far, I've found these two possibilities: The command \Cube{n} in the ifsym package, and the command \dice{n} in the epsdice package. However, both commands ...
7
votes
3answers
11k views

Add a comment on top of “equal” and “approximate” symbols [duplicate]

I was wondering whether it is possible to add some comment on top of the \approx symbol in a similar way that the command \xrightarrow{text} produces an arrow with text over it.
5
votes
1answer
229 views

LaTeX symbol for table sorting

I was wandering if there was some symbol that I could use in my tables, to give some visual information about which column is being used for ordering. By this, I mean those little triangles that are ...
9
votes
1answer
1k views

Difference of perp and bot

I saw in math.stackexchange that someone uses \perp for what I always use \bot. In XeLaTeX: lost \perp in Cambria math? it says that they are two different symbols, do they just look the same? I ...
9
votes
3answers
26k views

How to use maths symbols in text mode?

I try to add a center dot with \circ but it fails to compile. How to use maths symbol in text mode? The error message is ovak, slovenian, spanish, swedish, turkish, turkmen, ukrainian, uppersorbian, ...
4
votes
2answers
678 views

Table mapping mathematical and scientific symbols to their meanings

Scott Pakin's Comprehensive LaTeX Symbol List (henceforth "Comprehensive List") and Detexify are great resources for finding symbols' LaTeX macros and packages. There is however a related thing that ...
4
votes
0answers
79 views

lstlisting and this symbol : █ [duplicate]

I want to know how to print this symbol "█" that I have in an external file loaded with listing. Or at least how to print it with \something, cause it's not a blackbox. ...
5
votes
3answers
487 views

How is the philosophy conclusion symbol drawn?

Looks like this: (Maybe called "therefore"?) Also, what's a good guide for philosophy symbols in LaTeX? Edit: Looked up http://osl.ugr.es/CTAN/info/symbols/comprehensive/symbols-a4.pdf for ...
2
votes
1answer
572 views

Lowercase textnumero

I'm trying to reproduce a title from an older book, which uses what it seems to be a lowercase numero sign (see image below). Is there a symbol like this in latex (or even unicode for that matter!)? ...
3
votes
1answer
224 views

How to escape = in LaTeX's for loop

In user700902's answer to this post, there is the following for-loop: \@for\@tempa:=a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z\do{% \expandafter\colorizemath\@tempa{green}} If I want to ...
9
votes
1answer
538 views

LaTeX command for equal (=)

Is there a LaTeX command for the equal (=) sign? I'd like to overwrite the command so that all equal signs in my document are colored green. But it seems I cannot do it with just the symbol =, which ...
12
votes
2answers
637 views

Producing centered asterisk to indicate new section

In a text (or a passage of a text) that is not subdivided by headings -- say, an essay --, a common tool to indicate the start of a new section is a simple asterisk (or other symbol), usually ...
14
votes
2answers
1k views

Defining scalable “white curly brackets” {| and |} (⦃ and ⦄)

I would like to construct what Unicode calls "white curly brackets" that are in addition scalable. They look like ⦃ (≈{|) and ⦄ (≈|}) and have Unicode codepoints U+2983 and U+2984. unicode-math has ...
0
votes
1answer
299 views

How do I get the single turnstyle symbol? [duplicate]

I am trying to replicate a logic symbol that looks like \models but has only one horizontal line, and represents a logical deduction. It looks roughly like |-. I have tried Detexify, but it does not ...
4
votes
2answers
225 views

Colored “sum” in display math mode

The line \[ \textcolor{green}{\sum}_{k=0}^n \] makes the k=0 and n parts go to the right of Sigma instead of at the top and bottom, as it should be. Can we retain k=0 and n at the top and bottom?
2
votes
2answers
1k views

\triangleleft and \bowtie

I want to redefine the command \triangleleft so that it always has the color green: \let\oldtriangleleft\triangleleft \renewcommand\triangleleft{\textcolor{green}{\oldtriangleleft}} When I use the ...
12
votes
3answers
18k views

Really wide hat symbol

Is there any way to get a hat wider than widehat? Why doesn't \widehat{abcdefghijklmnopqrstuvwxyz} really go over all of it?
3
votes
1answer
2k views

vertical equal sign

I am looking to create a vertical equal sign that might function similarly to an underbrace. I often use this symbol when taking notes on paper. (x+z) + (y+d) = 10 || || 5 5 The ...
2
votes
0answers
88 views

How do I prevent pdflatex from making strange symbols when text is copied? [duplicate]

I use LyX to create my LaTeX files. Recently, when I've used LyX's pdflatex to view my file, the text looks fine, but when I attempt to copy it, I just get strange symbols. If I use LyX's dvipdfm, I ...
6
votes
1answer
4k views

Checkmark error in amsmath [duplicate]

This page says that amsmath supports the \checkmark symbol. However, when I try to implement this \documentclass[12pt]{article} \usepackage{amsmath} \begin{document} $\checkmark$ \end{document} ...
0
votes
2answers
127 views

Latex Code for Symbol [duplicate]

Could someone please help me with the Latex code for the symbol below?:
3
votes
1answer
318 views

Constructing general ligatures

I know that LaTeX has macros \ae, \oe etc. for the standard ligatures (i.e. æ, œ). Is there a more general way to construct ligatures in the equation environment? I'm working in the language of ...
2
votes
1answer
341 views

Prevent large line spacing on lines containing “high” symbols

I am using the notation $\widetilde{\mathcal{F}_K}$ quite extensively in my paper. In each line where it appears, because the tilde makes the symbol a little higher than the other symbols, the line ...
1
vote
1answer
304 views

Norm symbol in subscripts of index

I found this related topic but it didn't seem to fix my problem: How to fix symbol index entry? I was using good old \|\cdot\| for norms but my index wasn't liking it. So then I did the new command ...
3
votes
1answer
3k views

\includegraphics{*.pdf } substitutes in-figure symbols

I am using TeXstudio with its default settings. My figure is saved as PDF because I was unable to include *.eps because of the Unknown graphics extension: .eps-error. The figure opens without faults ...
1
vote
0answers
39 views

Regarding symbol for cross product [duplicate]

May i know the latex syntax for the center symbol (circle with cross)?
2
votes
1answer
76 views

Automate replacement of `\not` when in `\bm` mode

Hendrik Vogt has provided a \longnot macro to alleviate the issues related to Interaction of \boldmath and \not. This seems to work fine, but I run into a snag when I try to automatically use ...
1
vote
1answer
2k views

Which package is required for \Z to work as the symbol for the set of integers? [duplicate]

According to http://www.proofwiki.org/wiki/Symbols:Z#The_Set_of_Integers, \Z should produce the symbol for the set of integers, but I have not been able to find the package that enables this feature. ...
4
votes
1answer
352 views

How do I generate a symbol that is like ː (\textlengthmark) with a small circle exactly in the middle?

I would like to generate a symbol that is tipa's \textlengthmark with a small circle overlaid perfectly in the middle, so that the symbol has vertical and horizontal symmetry. How do I do this? (I ...
12
votes
3answers
3k views

Symbol for external links

I'm using the hyperref package in my document to provide hyperlinks to external documents. However, I don't want to have the links coloured or underlined, because I find this usually ugly and ...
0
votes
1answer
3k views

What is the syntax to get the “CurlyPhi” symbol?

What is the syntax to get the "CurlyPhi" symbol in TeX/LaTeX? To get phi we use, $\Phi$.
4
votes
1answer
207 views

Matrix ball construction table

I want to draw a table similar to this \begin{tabular}{ c | c | c} $\bigcirc$ & & \\ \hline & $\bigcirc$ & \\ \hline & & $\bigcirc$ \\ \end{tabular} for the ...
1
vote
0answers
61 views

Looking for “^” symbol [duplicate]

What is the correct symbol for ^ in math mode? I can't type ^ as it appears as superscript symbol
1
vote
0answers
3k views

Symbol for “such that” (not in set) [duplicate]

If a is a set a \leftarrow { b| b must satisfies property} but if a is an element a \leftarrow b| b must satisfies property is this a usual notation? Or what other symbol should I use for the ...
7
votes
1answer
356 views

Problem of superimpose and how to change legend symbol

Given the plot as follows I have two problems: a and b are superimposed on each other, how should I make this clear on the graph? How could I change legend c to other icons like star? (It looks a ...
5
votes
1answer
2k views

What is a good method for producing a unary plus/minus sign that always works?

Say I have a macro that does something in math mode (say, change the mathalphabet). This macro, \somecommand, takes one argument. I might want use is like this, feeding an empty argument into it: ...
12
votes
2answers
594 views

Create a font table for all available characters for a particular font

Similar to the question: Lualatex: Font table with examples I have several ornamental fonts and I'd like to create key maps. That is, I want to know what symbol the letter a maps to by having a nice ...
2
votes
1answer
93 views

Indexing \int with amsmidx

I've used amsmidx to create a separate notational index. \usepackage{amsmidx} \makeindex{idx} \makeindex{nidx} \newcommand{\idx}[1]{\index{idx}{#1}} \newcommand{\nidx}[1]{\index{nidx}{#1}} I need ...
3
votes
1answer
602 views

Symbol to represent a key

Does anybody knows a LaTeX command that represents a key, like this?
11
votes
1answer
258 views

Straight Braces

Can I make a variant of Latex Braces? In some equations system, I'd like to use a left brace like in this picture:
1
vote
0answers
238 views

How to write average of a function? [duplicate]

Just do not know how to write the average of a function. The symbol look like a integral sign with a short bar in the middle. It means integral of a function over a ball divide by the measure of the ...