2
votes
2answers
119 views

Question about arrow in diagram

how i can write using latex to find this: but with long arrows Thank you.
2
votes
2answers
121 views

xhookrightarrow and xmapsto?

I use $\xrightarrow{f}$ a lot and I found myself in need of the corresponding commands \xmapsto and \xhookrightarrow quite a few times and I was wondering if there is anything like it. I'd like to ...
3
votes
2answers
127 views

How to create this arrow?

How to create this arrow with letter up and down ?
9
votes
4answers
301 views

How can I get curly arrow underneath a state in a state transition diagram

I have a simple state transition diagram that I'd like to render in latex ideally using regular mathmode markup. The arrows show the probability of going between states. ...
1
vote
2answers
114 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 ...
1
vote
0answers
76 views

The spacing of `\to`

Let's say I use \def\searrow{\mathbin{\text{\rotatebox[origin=c]{-33}{$\to$}}}} instead of the \searrow. But \mathbin doesn't seem to provide the spacing that \to has; what should it be? Other ...
7
votes
2answers
358 views

\nearrow and \swarrow together

I'm trying to get an arrow that has an arrow head pointing north east and south west, so like \updownarrow but rotated. I can't seem to find this in LaTeX at all. It has to go inside an equation ...
1
vote
0answers
19 views

Double right arrow when typesetting Scala sources in LaTeX [duplicate]

How do you produce the unicode double right arrow variant of function types when typesetting Scala code with LaTeX? I can use math escape, like so \lstset{mathescape=true} \begin{lstlisting} val x = ...
5
votes
2answers
276 views

Arrow accented with a dot (natural transformation)

In Mac Lane's "Categories for the Working Mathematician" I came across an arrow accented above with a dot, indicating a natural transformation. I failed to find an existing symbol for this. It looks ...
7
votes
2answers
629 views

Is there a logic symbol for counterfactuals

I am looking for a symbol that looks like: []--> So far I came up with $\Box\rightarrow$. The problem with this is, that the arrow is too far away from the box: How could I achieve this so that ...
4
votes
2answers
459 views

limits to \oplus not working and double ended arrow equation

I am having an equation which having \oplus with limits, but \limits for \oplus gives error and there is another critical equation with double ended arrow. can anyone please help me to key this ...
5
votes
2answers
986 views

Extended \Mapsto with text above

\documentclass{standalone} \usepackage{centernot} \usepackage{mathtools} \usepackage{ stmaryrd } \begin{document} $\xmapsto{sdfkjhsdf}$ % This is similar to what I want $\Mapsto$ % however ...
8
votes
2answers
203 views

Underarrow with smaller depth, shorter minimum length, and smaller arrow head?

I am using underarrows from amsmath to decorate messages with their direction, as in $\underleftarrow{\mathsf{msg}}$ () and $\underrightarrow{\mathsf{msg}}$ (). I am looking for a better underarrow, ...
2
votes
1answer
389 views

Text both above and below double arrows

I would like to use a command like \xleftrightarrows[#1]{#2} namely extendable arrows for double arrows with an optional superscript and subscript Mathtools package provides ...
8
votes
4answers
150 views

How do I create a negated arrow on \xRightarrow?

Similar to this question, but with the \xRightarrow instead. I tried changing the 3rd version to use \Rightarrow like so: \documentclass{standalone} \usepackage{amsmath} \usepackage{amssymb} % for ...
15
votes
3answers
420 views

Angle brackets with an underset arrow

I am trying to make a pair of angle brackets of variable height enclosing a main box along with a box beneath each bracket and an arrow of variable length between these lower boxes. Since I'm sure ...
9
votes
2answers
1k views

How to create up arrow with two heads?

With \twoheadrightarrow we can get arrow with two heads. Is there any command for getting two heads with up arrow?
2
votes
1answer
421 views

Math symbols in tt font

I am trying to typeset some mathematics all in typewriter font; aiming to emulate the appearance of a particular computing environment. However, \mathtt in math mode doesn't appear to affect the ...
3
votes
2answers
531 views

Stealth arrow in math?

Is there an easy way to produce stealth style arrows in normal math mode? By "stealth" I'm thinking of TikZ stealth arrowhead. Something like \rightarrowstealth? The question originates from a limit ...
2
votes
2answers
271 views

How can I lower an \xrightarrow

I'm referring to a previous post where I asked how to handle lines that are too tall due to stacked mathematical symbols. In particular, the problem occurs in my texts when using \xrightarrow like in ...
11
votes
4answers
387 views

Curved arrow describing a step in a mathematical derivation

Is it possible to achieve something like this in LaTeX? I want a curved arrrow pointing from 1st line to the other line and is coupled with an equation number which indicates the equation used. I ...
5
votes
2answers
235 views

Downarrow whose length I can specify manually

Is there a way to draw a $\Downarrow$ command of a custom length? I need a double arrow. I am sure such a command exists. I also need this symbol to be able to align inside align environment using ...
4
votes
1answer
348 views

Joining parts of equations with lines or arrows

I need to add lines or arrows to show the expansion of possibilities as a problem space expand. For example I'm attempting to produce something like this (with the lines added by hand): I can find ...
7
votes
1answer
455 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 ...
9
votes
2answers
3k views

How do I write above a left-right arrow?

There are a few articles on how to do this for left arrow or right arrow but the method doesn't work for \leftrightarrow. What I want is to write a \longleftrightarrow with “DFT” above it. I've ...
2
votes
1answer
1k views

\xrightarrow: position of text over an arrow should be lower

The following example of LaTeX code \documentclass[b4paper,oneside, final, 10pt]{article} \usepackage[english]{babel} \usepackage{charter} \usepackage{amsfonts} \usepackage{mathtools} ...
2
votes
0answers
302 views

TikZ arrows do not draw with pdflatex [closed]

I am using the answer from Arrow between parts of equation in LaTeX. \documentclass{article} \usepackage{tikz} \newcommand{\tikzmark}[1]{\tikz[overlay,remember picture] \node (#1) {};} ...
2
votes
1answer
686 views

Searching for up and down arrow symbol (⇅)

Whats the command for this symbol: ⇅ I've found ⇈ \upuparrows but I can't find the other one.
17
votes
2answers
8k views

\xRightarrow (text)

I know it's possible to have \xrightarrow (text), but if I try to do \xRightarrow (text) I get an error each time. Does anybody know if it's a syntax error or if there is a other way to produce the ...
14
votes
1answer
1k views

$\overrightarrow{a} \otimes \overrightarrow{b}$ looks unpleasant

As the question says, $\overrightarrow{a} \otimes \overrightarrow{b}$ looks rather unpleasant because the arrow over the a is so much lower than the arrow over the b. I'm not sure that just raising ...
4
votes
1answer
279 views

How to typeset the definition of a complicated bijection with nice horizontal alignment?

Here is a typical example of what I am talking about: \begin{align*} \mathcal{L} &\simeq O^{-1}(T, S) \\ V &\mapsto f_V := \pi_S ...
8
votes
1answer
253 views

Enriching \to^*

I am trying to enrich $\to^*$ with a $w$ above it, and the cleanest look I could get was with the {\smash {\overset w \rightarrow}}^* command. However, I believe this to be a pretty ugly solution, and ...
4
votes
3answers
5k views

How can I label \rightleftarrows above and below?

How can I label $\rightleftarrows$ above the top arrow and below the bottom arrow?
8
votes
4answers
763 views

Better transitive closure of labelled arrow

I think the answer will be easy, but I haven't found it yet: I use labelled arrows like \xrightarrow\tau a lot. Sometimes, I need the transitive closure of such relations, which I write ...
26
votes
4answers
4k views

How to draw arrows between parts of an equation to show the Math Distributive Property (Multiplication)?

there is a part of my paper where I use the distributive property and it's not that clear for the reader to see (I'm using in proposional logic for a proof). The logic equation (part of) is: (l_{1}) ...
8
votes
4answers
2k views

How to use \leadsto in LaTeX2e?

I tried to draw an arrow with the command \leadsto But I get the following exception: ! LaTeX Error: Command \leadsto not provided in base LaTeX2e. So how can I draw such an arrow? I tried to ...
1
vote
1answer
3k views

the limit arrow: its label too high

My question is an extension of this one. I have the command \documentclass{article} \usepackage{amsmath} \begin{document} $a_n \xrightarrow{\scriptscriptstyle n\to\infty} 0$ \end{document} which ...
4
votes
2answers
1k views

Easy way to type more kinds of arrows?

There is \rightrightarrows to produce two parallel arrows, \longrightarrow to produce a longer arrow and \xrightarrow to produce an extendable arrow. But is there an easy way to produce two long ...
3
votes
2answers
4k views

Arrow with an asterisk superscript and text above?

I'm trying to create an arrow (or \mapsto) that has text above it and also an asterisk superscript — where the asterisk is only a superscript for the arrow, if that makes sense. I've been trying ...
3
votes
2answers
1k views

Easiest way to get \not\longrightarrow to look good

I'm currently using \longrightarrow to mean "tends to [some limit]", and sometimes I need to use its negation. I see that there is an \nrightarrow, but unfortunately it doesn't make a matching pair ...
2
votes
3answers
2k views

Adding arrows to each term of an equation

\documentclass{beamer} \usepackage[all]{xy} \begin{document} \section{Introduction} \xymatrix{ &*+{\sum_{i=n}^m {i^2}} &*+{+}&*+{p} \\ & {\bullet} & D \ar[ul] && f \ar[ul] ...
12
votes
1answer
227 views

\rightarrow^* flipped to the left?

Is it possible to create something like $\rightarrow^*$ only flipped to the left? Someone suggested using $\mathbin{{}^*\leftarrow}$ but this still doesn't give me the same spacing.
5
votes
2answers
2k views

cancel package downward arrow

Let's say that I want to cancel the denominator of a fraction and also assign him a value. Something like that \cancel{2}\cdot\dfrac{9}{\cancelto{2}{4}}. The problem here is that the fraction doesn't ...
6
votes
3answers
648 views

How to make \left<\overrightarrow{b}\right> look good?

I want a 'b' with an arrow on top, enclosed in angle brackets. \left<\overrightarrow{b}\right> gives angle brackets which are far too high. <\overrightarrow{b}> gives far too much ...
11
votes
1answer
2k views

How do I create the negated arrow on \xrightarrow?

Say I have $x\xrightarrow{\rm mb}y$ as in the first line below, but I want a negation symbol like the one defined in \nrightarrow, as in the second line, but extendable. Does anyone know how I can do ...
5
votes
1answer
2k views

Change arrow head of \xrightarrow[]{}

I am using \xrightarrow{} in many places in my document. I want to change the tip to look like the one that gets produced by -latex. I am trying to get a similar tip for the \xrightarrow{} macro.
10
votes
5answers
2k views

How do I stack more than two arrows in math mode?

The command \rightrightarrows (from amssymb) draws two arrows, one on top of another. How do I get three arrows arranged in a similar fashion? An example of this (and other fancy arrow stackings) ...