{stacking-symbol} is about mathematical symbols created by stacking existing symbols above each other.

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7
votes
2answers
502 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 ...
5
votes
4answers
8k 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?
13
votes
4answers
4k 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 ...
4
votes
1answer
412 views

Vertically align characters raised with \stackrel

I learned from Stefan's reply to Putting a character above another character to use \stackrel in math mode to do just that. I'm using that right now to mark segments of a word as having a high (H) or ...
8
votes
3answers
1k views

How to write a pretty \not \varepsilon

How can I write a pretty \not\varepsilon? I want something like \notin, since I use \varepsilon as a relation symbol like \in.
3
votes
1answer
2k views

Write above the symbol math “subset”

Like the symbols "bigcup or bigcap" in LateX, I'd like to write above the symbol subset. I have try to use the displaystyle command, but it doesn't work ! Here this is a snipset of my try : ...
4
votes
1answer
675 views

Create a weightier (bold) \bar

Here's my MWE, with my question embedded: \documentclass[12pt]{article} \usepackage{amsmath} \begin{document} The bar over the $E$ in $\bar E$ is a little too faint for my taste. Or should I just go ...
2
votes
1answer
402 views

Using \limits in a customized \overset for superscript together with \sideset for subscript

I am trying to create a notation for a certain space. I am using a customized \overset in mrf's answer in this thread to suppress the extra vertical space. I still want the subscript on the right ...
2
votes
1answer
470 views

How to force math symbols up and down inline text

I've a simple question I can't figure out. There should be an option that can force the symbols up and down of a formula put inside text. e.g. If I write blablabla $\bigcup_{stuff}$ blablabla the ...
3
votes
1answer
119 views

How can I fix the size of parentheses around stacked function symbols?

I apologize if this is a duplicate, I looked at a number of other questions regarding parentheses size but didn't find an answer to my problem. I'm trying to stack two function symbols within ...
2
votes
1answer
2k views

Math Symbol for Corresponds (Better definition of smash) [duplicate]

I'm using \overset{\smallfrown}{=} to make the math symbol for corresponds. Is there a better definition for this symbol? If not how do I properly smash what I've defined? I tried ...
33
votes
2answers
63k views

\Rightarrow with text above it [duplicate]

When using the command \Rightarrow is there any way to put text above it? I have tried \overbrace but is there a way to do it without this?
8
votes
3answers
18k 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.
11
votes
1answer
266 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:
13
votes
2answers
3k 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 ...
22
votes
4answers
4k 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?
11
votes
1answer
1k 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 ...
5
votes
2answers
2k views

How to stack three relations

Is it possible to stack three relations or symbols ontop of one another? Specifically I would like to stack three symbols, R, \rightleftarrows and L in order to define a pair of adjoint functors ...
10
votes
1answer
198 views

TikZ: Adjust two words among each other by one character

I would like to create a logo in LaTeX. Here I need to adjust two words relative to each other by a chosen letter. Here is an example, where I'd like to get the two red characters exact among the ...
4
votes
2answers
314 views

Footnote inside stackrel

I am writing an equation and I'd like to put above the equal sign $(=)$ a footnote describing shortly the reason for that equality. I tried \[x^2\stackrel{\footnote{foo}}{=}x\ast x\] but this ...
2
votes
2answers
2k views

How to write inference rules if we are having two antecedents

\[ \frac{A \rightarrow f[\overrightarrow{B}]:= \Psi \\ \Phi \in \langle\Psi\rangle} {A \rightarrow f[\bullet\overrightarrow{B}];\Phi} \] I need to get the two antecedents in two seperate lines. A ...
18
votes
4answers
3k views

What is the command for a sum symbol superimposed on an integral sign?

I want to express a sum over all discrete states and an integral over all continuum states. Usually, the sign for this is a $\sum$ superimposed on an $\int$. Is there a command to make this symbol? If ...
4
votes
1answer
3k views

How to place symbols on top of each other (not \overset, \underset)?

I tried to set two symbols on top of each other via: \begin{align*} \Rightarrow\atop\nLeftarrow \end{align*} How can I reduce the space between the symbols? \overset etc. is what I normally use, ...
8
votes
2answers
484 views

How to put a symbol inside another in math mode?

In math mode, I would like to put a symbol inside another. Let say I want to put an x inside a V. I would like x to be in the empty space inside the letter V. I guess I need to put V in a box, then x ...
10
votes
2answers
1k views

How can i shrink (or expand) the vertical spacing in \stackrel?

I've seen the following command used a lot to make the triangle-equals operator that means "is defined as": \newcommand{\defeq}{\stackrel{\triangle}{=}} However, I don't like how far apart the ...
17
votes
3answers
10k views

How to put something at the top of the \longrightarrow?

I would like to put something at the top of the \longrightarrow, something like \longrightarrow^{k\rightarrow\infty}. However, instead of putting k\rightarrow\infty on the top right corner, I would ...
20
votes
1answer
42k views

How to write “is distributed as” under a certain hypothesis?

I'd need a special symbol used in statistics. What I need is a tilde with something written upon it. I can get the tilde by using \sim, but I need to add a superscript over it (H_0). If I use ...
3
votes
3answers
2k views

\shortstack when writing text in nodes in TikZ

I have seen the command \shortstack in some nodes in TikZ (for example, the accepted answer here). What is used for? I couldn't find its definition in the TikZ manual.
6
votes
2answers
7k views

Creating non-math mode substitutes for \overset and \underset not dependent on the amsmath package

I have been using \overset and \underset to stack text, e.g.: \documentclass{article} \usepackage{amsmath} \begin{document} $\overset{\text{a}}{\text{b}}$ \\ $\underset{\text{c}}{\text{d}}$ ...
5
votes
1answer
398 views

Placing text below other text

How can I place some text centered below other text on the line? I want to create similar to results to what is found in the ruby package, but instead of placing text above, the extra text is put ...
6
votes
3answers
4k views

How do I get a equals sign under letters?

To show that a letter is a matrix my math book puts a equals sign under the letter. How do I do this?
3
votes
3answers
2k views

Stacking Text Arguments

I was wondering was is the best method in (general) I guess to stack text on top of text in very small areas as in this example: I used the \stackrel (which I think is for math more so) command ...
18
votes
2answers
12k views

Is there an “underscript” command?

Is there a way to do underscripts? By "underscript" I mean a small font underneath the text object like limits or sums have. I don't want it to behave like a math operator though, where it is typeset ...
3
votes
1answer
1k views

Adjusting vertical and horizonal spacing in \stackrel

I have several \stackrel's in my document. See the e.g.: \documentclass{article} \usepackage{stackrel} \begin{document} $\stackrel[\textrm{sand}]{\textrm{A}}{\textrm{B}}$ ...
12
votes
3answers
3k views

Arrow between parts of equation in LaTeX

I want to make an arrow under an equation pointing from one part of the equation to another. A bit like an underbrace, but with an arrow. How can I do this?
28
votes
4answers
41k views

How to get an “approximately proportional to” symbol

I've looked everywhere, and there does not seem to be a symbol for this, i.e. a \propto with a \sim underneath. I've googled ways of combining these two symbols but haven't found anything ...
5
votes
3answers
2k views

How to put a symbol inside a circle arrow?

I'm trying to draw a clockwise circle arrow with a symbol inside. My current solution requires manual alignment of the content, and as such doesn't look very good. ...
2
votes
2answers
328 views

stacked \widetilde and \dot

I need to typeset (from bottom up) math bold L with above-dot and widetilde (both centered horizontally above the L), i.e. approximate time-derivative of tensor-valued function. (I would google more, ...
19
votes
2answers
7k views

How to typeset “evaluated at” vertical bar with two conditions instead of one?

I would like to typeset the differential of a multivariate function evaluated at a point where two of the variables take precise value. I typeset the "evaluated at" using a vertical bar, at the bottom ...
60
votes
2answers
128k views

The \bar and \overline commands

I want to represent, say, the closure of a set or the extended reals, e.g., $\bar{\mathbb{R}}$ but unfortunately this creates a bar that is much too small (horizontally) and can barely be seen. On the ...
4
votes
1answer
4k views

How to center text under math symbols

I was looking for a way to center text underneath math symbols such as constraints or regions. More specifically, from vector calculus, if we were to have a double integral bounded by some region D, ...
3
votes
2answers
2k views

\stackrel with \sim symbol

I am using \stackrel{<}{\sim} to stack up two symbols. However I need to lower \sim, which naturally goes above the line, otherwise <raises too. This is the output at the moment: Any idea?
4
votes
2answers
879 views

How can I adjust the fine positioning of stackrel?

I use stackrel to define a custom stacked relation symbol: \def\qMapsfrom{\stackrel{?}{\Mapsfrom}} However, the question mark is not centered properly and has too much distance from the \Mapsfrom. ...
3
votes
1answer
124 views

alignment of symbols [duplicate]

I tried to align the equation and have some text on the equal sign. But it turns out that the equal sign that has text over it is no longer aligned to previous one anymore (I believe it is the text ...
7
votes
1answer
6k views

How to put symbol around the equal sign?

In the question Latex Math Symbol: Vitanyi puts a tiny plus symbol over his equals. How do I do that?, there was an answer to how to place additional sign over the equal sign. And my question is, ...
22
votes
3answers
16k views

How to stack limits for maths operators?

I have a question on how is it possible to create a \sum with two lower limits directly positioned right underneath each other. I have tried hard and cant seem to get anywhere with it.
4
votes
2answers
1k views

Customized accent symbol

I would like to create a customized accent that is basically the symbol \therefore, i.e. I would like to have a letter with the "three-dot \therefore symbol" on top of it. I am new to LaTeX and I am ...
9
votes
7answers
5k views

frown and mathop/stackrel/overset

I need something like \stackrel{\frown}{MM'} to express the fact that MM' is some path. But I am not really satisfied by the look of the result. The \frown is too high. Would you please have a ...