{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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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 ...
1
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0answers
198 views

How to bring beauty to this pgfplot? [closed]

We are making a plot as follows: \documentclass{standalone} \usepackage{pgfplots} \usetikzlibrary{calc,shadings} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \def\xmin{0} ...
10
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1answer
832 views

Interaction of \boldmath and \not

It seems that using \boldmath (or \bm) along with the \not does not quite work so well. Here is an example using \not\subseteq and \not\le where the line representing negation does not stretch ...
14
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2answers
21k views

Solid black box in the proof environment

I am using \documentclass[12pt]{article} \usepackage{amsmath} \usepackage{amssymb} \usepackage{amsthm} \begin{document} \begin{proof} A = B \end{proof} \end{document} and an empty square box ...
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1answer
2k views

Natural numbers symbol causes an error

My latex code is $(X_i)_{i \in \N}$ and I get this error: ! Undefined control sequence. of $(X_i)_{i \in \N Can anybody tell me why? I have included the amssymb package: \usepackage{amssymb}
31
votes
1answer
14k views

\varepsilon vs. \epsilon

I cannot remember anyone writing the letter epsilon in any other way than \varepsilon in any math class; but in LaTeX \epsilon and \varepsilon are different symbols. Do any of you know why there are ...
0
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1answer
110 views

How to render ->

I tried to render the arrow symbol -> using \->, but it didn't work. I tried \-\> as well, which didn't work either. Both compiled well but didn't generate the right symbol. I suspect it ...
1
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1answer
7k views

Less AND greater than symbol [duplicate]

I need to know, if it's possible, how I can write a unique "less AND greater than" symbol in LaTeX: for example X >< 5.
3
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1answer
5k views

how to insert \Delta with normal text

If I do The equation is \Delta I/I= k = constant, I get Missing $ inserted. $ l.26 The equation is \Delta
7
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1answer
591 views

Typesetting inline Penrose/Cvitanovic tensor diagrams (birdtracks)

In the 50's, Roger Penrose invented a private graphical notation for tensors, which he later published. Wikipedia has a short description. It's basically a directed graph with some labels on it and ...
3
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0answers
114 views

Font selection for mathematical documents [duplicate]

I am currently making a skeleton for my thesis. Since it will be in physics, it has to deal with a lot of mathematics. I think there are two ways of making it right. Choose a font for text and a ...
1
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0answers
53 views

How to write flipped \in? [duplicate]

How to write a horizontally flipped version of \in in mathematics mode? Google gives me \reflectbox and something like that, but I feel that there is a more straightforward way to write it since the ...
14
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2answers
1k views

Allow underscore in PGFPlots tick labels read from table

I'm trying to use the text data from a table column as the tick labels in a plot. The text data contains underscores, which makes LaTeX throw a Missing $ inserted error. I'd usually get around this by ...
5
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1answer
887 views

Symbol for chapter endings?

Is there an accepted way of marking a chapter ending? Right now I have new chapters start on new pages, but that leaves the last page of the previous chaater looking rather unfinished. I know that ...
4
votes
1answer
173 views

Ideographic “bullet” (for separating entities within proper nouns) in xeCJK

In 20th century Chinese typography, within transliterated proper nouns and between the name of a book and its sections, a sort of centered bullet is sometimes used (see illustration). This symbol is ...
12
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1answer
2k views

A better notation to denote arcs for an American high school textbook

For years, I've been using a hobbled together command to get the arc notation as used in the textbooks adopted by high schools in my area. I'm not really all that pleased with the result: it's just ...
21
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4answers
3k views

How can I type “lambda-bar”?

I would like to be able to add the symbol "lambda-bar" (see below) into an equation. How can I do this?
7
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3answers
248 views

How to define a new command for guillemets marks [duplicate]

Possible Duplicate: babel shorthand "| doesn’t work in macros I would like to define a new command for guillemets marks. I know how to obtain them in LaTeX and those I would like to ...
7
votes
1answer
3k views

Undefined control sequence \coloneqq

I'm trying to export a PDF of a LyX document (it has never caused a problem before). Below I have posted pictures of the error message along with the equation LyX highlighted for me. I don't know what ...
3
votes
2answers
629 views

Adding symbols at the end(s) of a horizontal line

I'm looking for variations of the symbol \relbar, or any other horizontal line that is about as along as a standard-length arrow. In particular, I'd like to be able to add arrowheads, as in ...
3
votes
1answer
355 views

ifsym package problem

I am using a template from the following web-page: Template of Latex I came up with a problem where I want to use "ifsym" package symbols and I could not get them. Actually, I want to use a symbols ...
0
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0answers
20 views

Insert the special character H for hypergraphs in Kile [duplicate]

Possible Duplicate: How to look up a symbol? I am editing my documents in Kile. Recently I've worked with hypergraphs. Almost articles as well as books used the character H to denote a ...
11
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1answer
885 views

How can I make an overset symbol at the same size and height as \bar except with a different symbol?

Apologies for the cryptic title, but I was not sure how best to phrase the question in one sentence. I am essentially trying the create a vector symbol with \rightharpoonup as the top instead of the ...
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0answers
42 views

How to handle > character? [duplicate]

Possible Duplicate: Why do the less than symbol (<) and the greater than symbol (>) appear wrong as upside down exclamation or question mark? I have some > and < character in ...
2
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1answer
988 views

How do you get a lower or higher tilde/~?

I want to presents hours and say from hour x to hour y by using sample '~'. Please guide me how I can present the symbol "~"? In contrast to How does one insert a backslash or a tilde (~) into ...
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1answer
864 views

How do I create the universe of discourse symbol with LyX?

I've been using OpenOffice and/or MS Word to do my college assignments, but since I started this new discrete math course, I'm finding myself very annoyed with the math formula options in those ...
5
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2answers
240 views

Creating symbols: $\oeq$ and $\oneq$

How do I create my own custom symbols? I want to make a symbol similar to that of $\otimes,\ominus$, etc. It should be an equals sign enclosed by a circle, and also a slashed equals sign enclosed by ...
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2answers
660 views

Define a math symbol relative to font size

Idea All characters, including the new defined symbol (here an arrow), should scale related to the current font size, e.g. here 12pt. Implementation I would like to define an arrow similar to here. ...
3
votes
1answer
327 views

email symbol while using package listings

I use \usepackage{marvosym} and the command \MVAt whenever I need to write the 'at' symbol (@) But surprisingly it doesn't work in a listings environment For example: ...
3
votes
1answer
260 views

Using imported font with XeLaTeX - several latin letters for one font symbol

I am importing a custom font that I made into my document, and compiling it using XeLaTeX. Let's call the font "MyFont" for sake of argument. \documentclass{article} \font\myfont="MyFont" at 12pt ...
6
votes
1answer
537 views

Displaying medieval scriptures and neumes in TeX

We have a friend who is trying to write his PhD thesis in LaTeX. In his thesis, he has to use old scriptures and medieval music notations (neumes). Unfortunately, for the kind of neumes (St. Gallen ...
16
votes
1answer
746 views

Obfuscation of @ and . in e-mail addresses

I manage style files for an academic journal. A typical article will contain authors' email addresses, which we attempt to obfuscate in order to give some measure of protection against e-mail ...
3
votes
2answers
587 views

How to horizontally merge two symbols?

This is a very short question and hopefully there's a short answer. I know I can use \stackrel{top}{bot} to vertically merge two symbols into one with top on top and bot on the bottom. Is there ...
4
votes
2answers
266 views

How to build two lines aligned maps

I would like to write a map between two objects, with a map below which specify where any single object is sent. To be more precise. I want to write $A \rightarrow B$, and right below it $\alpha ...
11
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1answer
698 views

Does the mirror image of the \models symbol exist in TeX?

I've tried detexify, but it does not identity the symbol I saw in a textbook "A Mathematical Introduction to Logic", by Herbert Enderton. The symbol is composed of two parts. The left looks like the ...
4
votes
1answer
493 views

Intersection on a range

I want to make a symbol representing the intersection over the range i = 1 to n (by having i = 1 at the bottom right of the intersection symbol and n at the top right, like a summation) How do I do ...
2
votes
1answer
1k views

Using Symbols in tables

I have a table and I wanted to replace 2 variables with appropriate symbols: Code: \documentclass[11pt, a4paper, oneside]{Thesis} \usepackage[square, numbers,rotating, comma, fancyhdr,here, ...
5
votes
2answers
262 views

How to convert mdash into LaTeX markup?

I am converting HTML markup into LaTeX markup by using sed command. I need to convert &mdash; into its corresponding LaTeX markup. How can I implement it? &mdash; into LaTeX markup
3
votes
2answers
160 views

How to define the following symbol to stock one element in one list?

I'm looking for one symbol to indicate that a value is stocked in one list. On way would be to use something like myList.append(myValue) but it os not very quick to see and to write. Indeed, I would ...
0
votes
0answers
39 views

How can I get mathbb version of small “e”? [duplicate]

Possible Duplicate: How to look up a symbol? If I write $\mathbb{e}$ nothing gets displayed. However here: http://en.wikipedia.org/wiki/Blackboard_bold it says that blackboard style letter ...
0
votes
1answer
200 views

How do I print '~' in LaTeX? [duplicate]

Possible Duplicate: How do I draw a tilde in math mode? I need to print $ X_i~N(\mu,\sigma)$ but ~ and \~ don't work in math mode in LaTeX.
1
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1answer
323 views

Math Symbols fonts like Gigi fonts in Microsoft windows

I want to get the font in mathmode like Gigi in Microsoft windows as follow: In LaTeX math fonts, I find out that I use \mathscr{S} (mathrsfs package) like the code is ...
3
votes
1answer
287 views

Arrow with a point on it and cancelled arrow

I stumbled over this kind of arrows and can't find any reference to it (since I not even know how they're called). Does anyone know the right command for those? Or are this constructed elements? ...
1
vote
0answers
265 views

Used almost all alphabet symbols, what to use for summation indices now? [closed]

I have already used all the a,b,c,d,g,i,j,k,l,m,n,p,q,r,t,v,w,\alpha,\beta symbols, I wonder how to denote summation indices in my paper now? What would you use?
3
votes
2answers
531 views

Circular Segment Symbol

is there a symbol for denoting a circular segment? I mean, a semi-circle to place over three letters, something like \wideparen or \frown but closed on the bottom. (To use with \overset or something ...
3
votes
1answer
91 views

Character “1” with long serif

I'm looking for a character "1" with looong horizontal serif at the bottom (in math mode). Currently I use \mathtt{1}, but would prefer longer. I also tried stretching it horizontally by \scalebox, ...
9
votes
2answers
281 views

Wedge with vertical bar

I'm making a summary sheet of a course in LaTeX. There are, however, I have no idea how to draw two of the symbols. One of them is some sort of \wedge with a vertical bar through it, the other a \vee ...
7
votes
4answers
6k views

How do I get mathematical fonts to Illustrator?

I am doing a thesis on graph theory, and I am currently drawing graphs with Illustrator. Vertexes and edges are easy to draw, but how about naming them? How do I get the symbols in image look like ...
19
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4answers
2k views

How do I write $\notin$ backwards?

I write $P \niton x$, but it does not work. How can I write the symbol $\notin$ backwards?
14
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2answers
5k views

How to correctly set up Palatino font with math (related to pxfonts)

I've read many times here in TeX.SE that pxfonts has a lot of spacing inconsistencies, and that it's better to use mathpazo. The problem is that mathpazo doesn't load all the math symbols to match the ...