{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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10
votes
1answer
302 views

Command for this symbol looks like \mathcal{F}

I can't find the LaTeX command and symbol and its package of this symbol. Can any one suggest me the command. I tried \mathcal{F} but its not exactly the same.
10
votes
3answers
294 views

Defining a macro for “real” colored delimiters

I recently looked up J. van Hoorn's question on How to color delimiters in Math Mode, and so I decided to test my LaTeX knowledge by trying to define a new appropriate command: ...
5
votes
1answer
185 views

Monospaced font with U+1D400..U+1D7FF range (for editing)?

The goal of this question is to find an appropriate font for the editor in which I input TeX, rather than a font for use in the output. I hope this is sufficiently on-topic for TeX.se. I recently ...
2
votes
1answer
487 views

Current Noise Source. New Symbol needed

I write a code for the Voltage and Current Noise Sources, using the "circuit declare symbol". The option works well for the Noise Voltage. I can change the color of the font, circumference and ...
1
vote
1answer
3k views

Is there a \bigcdot symbol in LaTeX

In my diploma thesis I need to LaTeX a concatenation over a set of sets. I use the \cdot symbol for concatenation of two sets as in A \cdot B. (Please correct me if this is a wrong symbol for ...
7
votes
3answers
166 views

Place symbol inside of \bigsqcup

How can I place a symbol inside of \bigsqcup? What I have tried is this: \newcommand{\concn}{\bigsqcup_{i=1}^n\hspace{-1.07em}\text{\footnotesize $h$\normalsize\hspace{0.6em}}} The problem ist ...
9
votes
3answers
5k views

\bar below symbol

Is there a command like \bar{...} but such that the bar is placed below the symbol? Of course there is \underline{...} but then the line is adapted to the width of the symbol and I don't want that ...
3
votes
1answer
130 views

approximation symbol with a letter under it [duplicate]

How to write the (approximation iniquity) with a letter under it on latex?
1
vote
0answers
153 views

WSUIPA package options?

Is there a package that contains the IPA fonts in SANS-Serif mode? WSUIPA is the most extensive package I see, but the fonts are serif. I would like a sans serif version, especially for the ...
2
votes
3answers
148 views

looking for the symbol := [duplicate]

I am looking for the symbol := and the symbol ::= the first one means "expressed as" (e.g. a sentence A is expressed as a juxtaposition of words bcd) and the second one means "defined as", in various ...
9
votes
1answer
278 views

Searching for Euro symbol

I found egreg's answer to the question "eurosym seems to not be working" some time ago and it works perfect if I compile using pdflatex, but if I compile using latex dvips ps2pdf the Euro symbol is ...
3
votes
2answers
261 views

How to make \mid longer? [duplicate]

I have the following expression $$\left\{\varphi\in\text{End}\left({\widetilde{E}/\overline{\F}_{\Pf}}\right)\mid \varphi\text{Frob}_{\Pf}=\text{Frob}_{\Pf}\varphi\right\}$$ and would like to know ...
10
votes
4answers
2k views

What is the LaTeX code for an “open semicolon”

May I know what is the LaTeX code for the following symbol? I can't find it in detexify.
13
votes
3answers
441 views

How does XeTeX typeset (math) symbols which are input as unicode?

I'm considering moving to Xe(La)TeX for the main reason that it allows me to use unicode in my LaTeX code, making said code easier to read, especially the math. But I'm confused on how XeTeX typesets ...
4
votes
1answer
676 views

How can I set uppercase greek letters as italic in math mode by default?

This is a follow up question to here. The recommended solution doesn't work for me. I therefore let all my mathematical packages in the MWE. The result is an upright Psi followed by an italic Psi. I ...
2
votes
2answers
119 views

Writing specific symbols [duplicate]

Can you help me to write the following symbol. Thank you in advance.
4
votes
1answer
319 views

Using the alt+number symbols in windows

I recently discovered at that one can make many symbols by pressing Alt + num pad. I then tried to insert these symbols into my latex file, and it compiled, but just seemed to insert a space there. ...
7
votes
1answer
446 views

How are the glyph (character) names in PDF-files determined?

PDF-files make internal use of glyph names. For example, the name of ≈ (U+2248; TeX \approx) appearing in a PDF-file might be approxequal. One can find such names in a TeX-generated PDF-file by ...
7
votes
1answer
528 views

How to use only one glyph from textcomp

I'd like to use the symbol given by textordmasculine from the textcomp package. But I don't want to load textcomp since it is too much and I only want that symbol (in fact I need the masculine order ...
5
votes
1answer
3k views

Per mille symbol in classicthesis style

I need the per mille (\textperthousand) symbol in math mode and text in a classicthesis style document. Instead, in the PDF, I get a percent symbol followed by a small, black square. For example, ...
3
votes
2answers
430 views

How to redefine \hat{H} as \hat{\cal H}?

I would like to redefine \hat{H} as \hat{\cal H} only for this particular letter (for Hamiltonian symbol in physics). Thank you very much.
4
votes
1answer
190 views

fourier font and \nmid

The fourier package does not provide a \nmid command. Using the \nmid from amssymb looks very different from the fourier's \mid. Is there a way to produce a "compatible" symbol in fourier? The two ...
2
votes
2answers
367 views

Writing above and below a symbol simultaneously [duplicate]

I'd like to have a "=" symbol with some text over it, and an equation below it. I know that \stackrel{\frac{0}{0}}{=} can handle my demand on the equation part, however I don't know how to write ...
11
votes
3answers
4k views

A short hyphen in a math formula

In a LyX math formula, I want to write something like "r-number". However, the usual dash looks too long (like a minus sign). I am looking for a short, possibly upper hyphen. I couldn't find it in the ...
18
votes
1answer
664 views

What does the # symbol do in LaTeX?

I know most of the effects of the special characters in LaTeX, like \ is used for most commands, or $ is used for opening or closing the math ambience, but I don't know what the symbol # does, and I ...
5
votes
1answer
148 views

Techniques for comparing the shapes of a particular glyph in different fonts

I would like to compare the shape of a particular symbol in many different fonts. Let us assume for the sake of simplicity that the symbol is non-composite, that is it is a glyph straight from a ...
7
votes
1answer
3k views

Quick question about curly braces not showing up

Ii am writing a short code, so I doubt anything else in the code is causing the problem. This is the problematic line of code: \[ M_R := \max {|f(z)|: |z - z_0| = R }\le M\] It doesn't show the ...
5
votes
1answer
324 views

The % symbol overlaps inside a listing with MatLab code

I'm using the listings package to insert MatLab routines that I've created for some papers I need to write. Everything works awesome, except the symbol % (comment in MatLab) which overlaps with the ...
7
votes
2answers
385 views

How can I underline mathematics using a harpoon of variable size?

I am a new user of LaTeX. I want to underline the answers to mathematics problems using a \rightharpoondown symbol. If possible, I would like a \rightharpoondown of variable size, as in the image ...
1
vote
0answers
25 views

how can I get a tilde under a variable in math mode? [duplicate]

s ~ such like this, but I want them to be combined to identify a vector. thx for help~!
0
votes
0answers
346 views

How to write “@(x)x.^2” in latex? [duplicate]

I tried \texttt{@(x)x.^2} or directly @(x)x.^2 but texmaker gives Missing $ inserted. I gues it is because x.^2 which is assumed to be math syntax. Can you help?
1
vote
0answers
35 views

latex symbol for covering relation in posets [duplicate]

Is there a package with LaTeX symbols for the poset relations "covers" and "is covered by", as seen in http://en.wikipedia.org/wiki/Covering_relation? I've tried creating ⋅> and <⋅ symbols on my ...
4
votes
2answers
120 views

Adding a 'bridge' or link between two rows in a table

I'm making a report and I've been asked to do something which I have no idea is even possible or not. I have this table: \begin{table} \begin{center} \caption{Cryostat-In Pin Outs and Resistances} ...
2
votes
3answers
238 views

Defining operator symbols

I want to replace the circle in the symbol \circledast by a square. But i did not find the right command. It seems that the packages stmaryrd would help. But the package usually re-defines other basic ...
4
votes
3answers
3k views

How to write upper case \varepsilon in LaTeX math environment?

I need the uppercase of this sign $\varepsilon$ how to I get that?
4
votes
1answer
2k views

\hat and \widehat look terrible: fixing width and better positioning?

I want to make the use of quantum mechanical operators explicit in my text using \hat{A} or \widehat{A}. The problem is that depending on the symbol under the accent it looks either misplaced or too ...
0
votes
0answers
60 views

what is the the latex code for a wave line above a word? [duplicate]

I wish to write a wave line above the "ch" as described in the following picture, how should I do this?
4
votes
2answers
440 views

How to get bigsqcap in the right size

I would like to use the upside-down version of \bigsqcup to denote its dual operation. The stmaryrd package provides that symbol, \bigsqcap, but I have found that these two symbols are rendered in ...
3
votes
1answer
656 views

Putting an underscore in a \label

I am trying to use pdflatex to type set some files that have underscores in the \label. Such as \label{abc_xyz} and have been unsuccessful. I keep getting errors such as: ! Missing \endcsname ...
6
votes
1answer
566 views

The size of roots

I can't get to the root of this problem: I need the second root to be the same height as the first one $\sqrt{F} \: \sqrt{F_{x_x}}$ I know I can use \vphantom, but I don't know how.
4
votes
4answers
2k views

How to typeset an isomorphism symbol ($\simeq$) with a long bar

Is there any way to typeset in LaTeX a \simeq with a longer bar, or equivalently \stackrel{\sim}{\longrightarrow} without the arrowhead?
3
votes
2answers
533 views

What is the latex code for the symbol “two colons and equals sign”? [duplicate]

I wish to use the symbol as in the following picture, however, I can not find it. Can someone help me?
12
votes
4answers
2k views

Vertical double asterisk that aligns well with the double dagger

The LaTeX text footnote symbol sequence begins with ∗ † ‡ § ¶ ∥. I'd like to define a vertical double asterisk ⁑ (\textastdbl) so that I can insert it into the sequence: * ⁑ † ‡ § ¶ ∥ (note: actual ...
1
vote
0answers
85 views

How do I display symbols in the editor instead of text? [closed]

Whenever I click a symbol to insert into the editor it just inserts a description of the symbol, instead of the actual symbol image that's displayed on the left in the symbols panel. If we wish to ...
4
votes
1answer
248 views

How to create the character Д for math mode? [duplicate]

In my research I'm using results of the paper Vinogradov A. M., - The logic algebra for the theory of linear differential operators, - Soviet Math. Dokl., 13 (1972), 1058-1062. The paper uses the ...
0
votes
1answer
296 views

Latex: \lneq displaying as \nleq [duplicate]

The problem i have is that both \lneq and \nleq display as the same symbol with different sizes. I only need the "equality bar" below < to be crossed out. Instead the whole symbol is crossed in ...
6
votes
2answers
1k views

Small cross and small upside down cross symbols

I need a cross symbol, similar to \dagger, but optimally less fancy, smaller (not as long vertical line below the crossing) and without having to load a special symbol package (besides amsmath). The ...
4
votes
1answer
308 views

Different symbols for square roots

Why are the square root symbols on this post different? Some of them have vertical bar and other ones have slanted bars.
6
votes
2answers
401 views

Customise \textvisiblespace

The accepted answer in this question shows a neat redefinition of \textvisiblespace, which I like to use because it doesn't produce a warning in math mode. However, I use it with monospace in an ...
10
votes
4answers
414 views

A more wedge-like symbol instead of a caret in typewriter-font text?

I'm trying to typeset some computer code which involves a caret (for powers); for example \verb!x^3+x^2-1! The trouble here is that the caret produced is rather flat. I could use a wedge instead: ...