10
votes
2answers
186 views

How do I get filled black < and \leq?

I want to define an order relation where I to distinguish want to fill in with black so that I have a black lying triangle in the first case and a black lying triangle with the suitable line below as ...
2
votes
0answers
45 views

How to write norm symbol with three line? [duplicate]

I want to have a norm symbol with three line in my equation such as |||x||| but with equal distances.
4
votes
3answers
265 views

How to write “ℰ”

could anyone please tell me how I can write "ℰ" in latex in both text and math enviroment? I have already tried $\mathscr{E}$ and $\mathcal{E}$, but none of those are satisfying. What I want to have ...
0
votes
0answers
46 views

! Undefined control sequence \backsim [duplicate]

My latex file does not accept the command \backsim. This is what I wrote in the file: $ \backsim 2.5 \mu$ What is wrong?
6
votes
2answers
111 views

Creating a custom character that automatically adjusts size in math mode? [duplicate]

After a lot of searching, I finally found the .pdf's for the elusive Griffiths script r character used in his ubiquitous undergraduate electrodynamics book. I made a simple package that allows me to ...
4
votes
2answers
96 views

Different style of permille sign

Hi all, I have found a publication using this permille sign with Times New Roman font. I have tried the textcomp \textperthousand and wasysym \permil commands but it does not yield this symbol. This ...
4
votes
2answers
194 views

LaTeX symbol for “divides precisely”

I sometimes need to write that a certain prime p^k precisely divides a number n, meaning that p^k | m but it is not the case that p^{k+1} | m. It is often written as: p^k || m, where the symbol in the ...
0
votes
4answers
147 views

Why does \leq show up as \le?

My only two packages are amsmath and amsfonts. When I type \leq, it shows up as if I had typed \le. How do I do the actual less-than-equals (>=) sign? Edit: I typed \leq and the output symbol was ...
13
votes
2answers
394 views

Why does \textbackslash render as “n” in math mode?

I've just rendered the following: \documentclass[varwidth=true, border=2pt]{standalone} \begin{document}$\textbackslash$ \end{document} which seems to give the same as $n$. Do you know why? As ...
6
votes
2answers
148 views

Why are minus signs not working in this equation?

In the below equation I'm writing, 2 minus signs are not visible, why is that? $\phi (s, \lambda) = C \frac{ 1 + \beta^2 − 2 \beta cos( \frac{2 \pi s}{\lambda} ) }{ \lambda^5 \exp( \frac{ h c }{ ...
1
vote
1answer
61 views

LaTeX code for text above the $\rightarrow$

Hi I am wondering what code is used to get text above the $\rightarrow$ have tried $ \xrightarrow{P}$ but not running on my LaTeX as I do not know which package to install or how to install it. ...
4
votes
1answer
83 views

Create Pole/Point Integral Symbols

I want to create the following shaped integrals found in the unicode-math package symbols list: I created my own package a while ago for defining some symbols/shortcuts, and I want to recreate ...
4
votes
2answers
85 views

Math mode accents

In my long document I, sadly, have to use several accents to denote different kinds of symbols. Currently, I use primes ($x'$), hat, tilde, and overline. In addition I use two colored symbols (red ...
1
vote
0answers
21 views

Text over symbols, but with adjusting width ( something like \stackrel{#1}{#2} but with same size) [duplicate]

I would like to write something above equation sign. One may do it with \stack{#1}{#2} command and it works fine if #1 and #2 are the same length, example: $\stackrel{(3)}{=}$ will result in ...
5
votes
1answer
129 views

Typeset an upright ell

The $\ell$ character in math-mode is clearly slanted to match the usual slant of math-mode characters. Is there a way to typeset an upright version, that won't look slanted amid other ...
1
vote
0answers
37 views

How to type this symbol in Latex? [duplicate]

Just want to know how to type this symbol in Latex. I saw it used in the axioms of probability. Thanks.
4
votes
2answers
103 views

Delimiters as math symbols (and not delimiters)

I am currently using delimiters (brackets, [ and ], to be precise) as symbols in math equations. Of course, the compilator considers the brackets as delimiters, and the spacing is thus not very ...
0
votes
1answer
39 views

extending \widetilde in formula [duplicate]

I have the following code: \widetilde{\text{trunc}(\Delta_\mathbf{tot}(X))} and the output in codecogs is How Can I do to extend \widetilde? How Can I do to have the following formula:
2
votes
1answer
64 views

How to use \owedge and \boxwedge

We can use symbols of $\otimes$ and $\boxtimes$, $\oplus$ and $\boxplus$, $\ominus$ and $\boxminus$ in Latex. However, do we have $\owedge$ and $\boxwedge$, which combines $\wedge$ in the mid of a ...
0
votes
1answer
51 views

script F (or something like it) [duplicate]

How can I enter this 'F' in LaTeX? \mathcal{F} looks quite similar to it, but a little bit different. I prefer not to use additional package if possible.
0
votes
1answer
48 views

Writing the dimension of a variable in latex

I am trying to write the information about the dimension of a vector like this $M \epsilon R^N$ In the paper, they write it nicely, it looks nice. However, I am not sure what I am doing wrong, but ...
1
vote
0answers
70 views

Can't recognize math symbol - bold “minus” above variable

I'm trying to "latex down" some Kalman equations and I'm not able find a way how to make that symbol above k variable in equation "Predict" (1) and (2) For me, it seems like \bar{} but still I ...
5
votes
3answers
245 views

How do you write the “estimate” equal sign?

I'm looking for a code, which can depict the estimate equal sign as in http://en.wikipedia.org/wiki/Equals_sign#Other_related_symbols (6th sign: ESTIMATES).
32
votes
6answers
1k views

How to typeset the house of an algebraic number?

I would like to reproduce the following text but I couldn't find the house symbol neither through Detexify nor by looking through the Comprehensive LaTeX Symbol List. I also tried combining ...
1
vote
0answers
58 views

What are these characters Ö and Þ supposed to be and how do I configure my internet browser to have them load properly? [closed]

tl;dr: My internet browser is not configured properly so characters are not loading properly. I am using the default Firefox 24.0 in Linux Mint 16, and have not installed any typesetting software. I ...
5
votes
2answers
100 views

Big Euclidean norm?

I would like to replace the Euclidean norm and the first pair of brackets with bigger ones but I get errors. Can you help me to fix it? \documentclass[11 pt,a4paper,oneside,openany, ...
5
votes
1answer
279 views

Putting normal letters in between Greek ones

So I am trying to write out Gauss' law for gravitation and I am having a hard time figuring out how to write it out without an error. I am currently trying to write in an equation block ...
2
votes
1answer
138 views

How to get a calligraphic Pi in latex? [duplicate]

It would be easy to do calligraphic letters as: \mathcal{AABBCCQQZZ} As But How can I get a calligraphic \pi or \Pi, I mean capital version of Pi. I clearly remember that I saw calligraphic ...
5
votes
5answers
132 views

Crossmark on an expression inside mathmode in latex

How can I put a crossmark on an expression inside a math mode using latex like below?
17
votes
4answers
1k views

wavy division sign wanted

I would like to find or create a math relation symbol that resembles a division sign, except that the horizontal bar would instead be a tilde (\sim). Can anyone help with this?
4
votes
2answers
110 views

Designing medcirc and circledtimes symbols

It would be great to use only \medcirc and \circledtimes from the pxfonts or to design the similar symbols by other techniques. The symbols from pxfonts are quite well but when I connect the ...
2
votes
1answer
133 views

“greater than” and “less than” not showing up in compiled document

I try to write a inline formula including a greater than sign: $A < B$ If I use the above formula in an empty document it works fine, but in my full document it will just not show up. But I can ...
3
votes
2answers
238 views

XeLaTeX Double closed path integral? [duplicate]

How can I write a double closed path integral? I have searched and I have found only single closed loop integral.
4
votes
1answer
82 views

Double slashes close together with resizing

I basically want this symbol, but I want it to resize properly: While X/\mkern-6mu/H looks good, when I try to resize using \biggl, then the horizontal space between the two slashes becomes very ...
7
votes
3answers
274 views

Designing a new tuple of Algebra Operators

It's neccessary to have at least two extra tuples of Albera Operators. A minimal tuple is a triple (to_be_subset_eq, meet_operator, join_operator). There are some ideas how to make 2 extra tupes. ...
1
vote
2answers
110 views

Is there a painless way to get self-loop decorations on mathematical symbols?

In mathematics, we often write X \rightarrow Y to mean a function from X to Y. Now I'd like to denote a function from X to X via a looping-arrow decoration on the top right-hand corner of X. Is ...
21
votes
2answers
795 views

Percent sign in a box

Is it possible to make a symbol which is a % inside a square box? I would like to use it to represent the function f(n,m) = n-(n % m). As in n symbol m. Or... is there a better idea for this ...
5
votes
4answers
185 views

How to draw backslash in a certain way

I know there are fair number of questions that have been asked before on how to typeset a backslash; but I am looking for a specific placement of \ as shown below: I tried \diagdownbut I am not able ...
11
votes
4answers
271 views

Making variations of \boxed

I have to typeset certain formulas, and the notation involves stretchable boxes, pretty much like \boxed{X} makes, but occasionally I need to add a hat below and/or above, as the picture shows: ...
6
votes
1answer
102 views

Libertine + newtxmath gaps in big brackets

I have a problem when combining Libertine with newtxmath. When using large brackets in equations the brackets have strange gaps. \documentclass[fontsize=12pt,DIV=12,oneside,a4paper]{scrreprt} ...
2
votes
0answers
45 views

compute position of each symbol [closed]

I've created a program that generates clickable areas on images with HTML5, taking as input a series of coordinates. Now what I'd like to do is send to that program a .png of a LaTeX expression ...
5
votes
3answers
130 views

Symbol for logical equivelence

I'm trying to use this symbol in a LaTeX document I'm writing but I can't for the life of me, find how to write it in LaTeX: The symbol means that two expressions are logicically equivalent (i.e. A ...
5
votes
1answer
92 views

missing angle brackets using newpxmath

The newpxmath package (version 2013/12/12 v1.061) makes angle brackets vanish from math mode: \documentclass{standalone} \usepackage{newpxmath} \begin{document} $\langle x \rangle$ \end{document} ...
4
votes
1answer
168 views

Symbols of height intermediate between \big and \Big needed

I consistently find that math symbols scaled with \big/\bigl/\bigr are too small and those scaled with \Big/\Bigl/\Bigr are too tall. Here is an example: \documentclass{article} ...
10
votes
4answers
974 views

a small halo symbol

One can generate an oval shape using $\subset\supset$ and adjusting the space in between to make this look like a "halo". Are there any other solutions that would make it look more like an ellipse? I ...
8
votes
2answers
270 views

Space that disappears at the edges (beginning/end) of a math formula

Is there a way to produce a space that disappears at the beginning or end of a math formula? Idea: For the formula-final case, something that looks ahead or takes an obligatory argument might be a ...
4
votes
2answers
429 views

\overline and \widehat with subscript

I would like to create commands to produce overlines (respectively wide hats or arrows) with a subscript at the end. The commands \overline{X}^{1} \widehat{X}^{2} \overrightarrow{X}^{3} do not ...
3
votes
2answers
2k views

Insert symbols inside verbatim mode LaTeX

I cannot insert mathematics symbols inside a verbatim mode in LaTeX. This how I do: \usepackage{alltt} \begin{verbatim} 1- Train triggers model \( X_{i} \) -> Y_j (X_i: source phrase ...
11
votes
3answers
353 views

Semicolon in set-builder notation

What is the best way to type ";" in the set-builder notation? I think \{\, x \in X \mid P(x) \,\} is a common way to type the set-builder notation. Someone use ":" instead of "|". Anyway, these ...
4
votes
2answers
112 views

Flushright square mark

I write the codes below to get a square as if to say q.e.d. $$equation$$\textbox{\hfill\square} Text\textbox{\hfill\square} I want the square at the right extreme of the same line. I succeed only ...