Questions tagged [mathjax]

For questions about MathJax, which is used to write mathematics on Stack Exchange sites.

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11
votes
1answer
177 views

How to type questions and answers with MathJax quickly on Android?

I am an Android user and I normally use my mobile phone to access Mathematics Stack Exchange. We all know that typing TeX using mobile devices is not an easy task. My question is "is there any special ...
46
votes
2answers
1k views

When is it ok to use \newcommand and \DeclareMathOperator?

As some of you may know, you can use \newcommand and \DeclareMathOperator to create new TeX macros. For example, ...
3
votes
1answer
200 views

Is it good to do too much edits?

I love to see things organized and tidy, especially at somewhere I like to be there, for example this site. Math which does not expressed in proper $\LaTeX$ format makes me weird so I often edit posts ...
0
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0answers
142 views

Ways to make a table in a question?

I know there exist https://tex.stackexchange.com/ but I am looking for a way to draw a table in math.stackexchange box. So, my question is: Is there a way to make a table in the question box? I ...
4
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0answers
200 views

new users : use latex?

I often edit and comment new users' questions with Use latex (click on edit to see what I typed) I wonder if it is possible to detect when a new user is posting a question without using latex, ...
1
vote
1answer
80 views

Differently sized nested brackets in MathJax

I would like to be able to render brackets of different sizes, so that the inner nested ones are smaller than the enclosing ones. LaTeX supports this, is there a way to do it in MathJax?
-10
votes
1answer
151 views

Is it ok to take a picture of printed formulaes instead of typing them in MathJaxs?

And would it also be ok to take a picture of neatly written formulaes?
6
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1answer
2k views

How to write plus-minus sign in MathJax? [duplicate]

Plus-Minus. Means a quantity of same magnitude can have either a positive or a negative value. As commonly found in square roots such as $$\sqrt[2]{625}= +-25$$. Here is an Wikipedia SVG-example ...
3
votes
1answer
502 views

How to represent this symbol - the vertical line denoting derivative at a point?

Below is Taylor series defined that I'm attempting to represent as MathJax : Closest I have is : $\sum \limits_{k=0}^\infty \frac {f^k(0)} {k!} x^k = f(0) + \frac {df} {dk}x_0+ \frac 1 {2!} \frac ...
1
vote
0answers
406 views

Google Chrome doesn't parse fomula

When I open Math.StackExchange questions in Google Chrome, the browser doesn't parse formula, so I see "$f(x)$", as it is, not in the proper way under LaTex environment behavior. Version of installed ...
0
votes
0answers
46 views

Suppport/disable MathJax in newsletter

The weekly newsletter is hard to read because the the math questions are in MathJax code. The code is not transformed into readable format. It's a bunch of dollar signs and slashes, ...etc. No one is ...
3
votes
1answer
272 views

How can I use $\LaTeX$ symbol \Perp (from pxfonts/txfonts) in mathjax?

The title says it all: How can I use math symbol \Perp (like $\perp$ but with two verticals) from txfonts/pxfonts in mathjax? It is sometimes used in probability to denote independence.
6
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0answers
114 views

Not having pure Latex as titles

A few times I have been told to not to turn the titles to Latex only as that stops them from being indexed by search engines. I see two problems with that : 1.What seems natural humans behaviour ...
3
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0answers
60 views

How to write indexes in MathJax? [duplicate]

How do I write indexes in MathJax? I haven't been able to find any documentation on the topic.
2
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0answers
42 views

MathJax info; can anyone re-direct me to the info page on this site? [duplicate]

I have misplaced my links to the MathJax instructions and can't see the link that used to be here. I especially need to remind myself of the codes for combinations. Help?
37
votes
2answers
593 views

Should Math SE support MathJax on its own server?

Just today or yesterday, Math SE's MathJax libraries are no longer loaded from mathjax.org but from cdnjs.cloudflare.com. mathjax.org explains that they are shutting down at the end of this month. But ...
5
votes
0answers
101 views

MathJax in discussion/chat

When one moves comments to a discussion/chat it seems like MathJax won't work. This is unfortunate since it could discourage users to move the discussion to the chat. Note that explanation elsewhere ...
1
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0answers
148 views

MathJax no longer respects `\newcommand` definitions from questions in other posts

In a question of mine I used e.g. $\newcommand{curl}{\operatorname{curl}}$ to define $\curl$ being rendered as $\newcommand{curl}...
30
votes
1answer
475 views

MathJax CDN (cdn.mathjax.org) will be shutting down

The news that MathJax CDN shutting down on April 30, 2017 was recently brought to my attention. I have updated ChatJax to use the alternate server given in the MathJax post. It seems to work well, ...
5
votes
1answer
212 views

$$ vs \[ for displaying math equations

My understanding is that \[...\] is preferred to $$...$$ for delimiting displayed equations in latex. See this discussion on tex....
6
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2answers
326 views

Symbols in use on this site?

I need to use certain symbols when asking someone to assist with a problem. Is there a list I can go to or quick method of using them, please? I am new to this site btw. I will delete this question ...
1
vote
1answer
133 views

How do I get summations to display correctly?

On Windows 7 with Firefox 52.0 I get only the bottom half of summation symbols displayed. As an example, I provide a small screenshot below the following link. Does anyone know what I need to do to ...
2
votes
1answer
51 views

Only one additional @user can be notified…

I wanted to give the update part of this question, as a comment. It is impossible, and I see the following: "Only one additional @user can be notified..." So I add that comment as the update part ...
1
vote
2answers
203 views

Old laptop crashes when writing long answers

First of all I have to specify I'm using an old system, Windows XP on a Frankenstein desktop machine. My laptop, if the friend ever gets it re-programmed, is almost as antique, a third-hand Sony Vaio ...
7
votes
1answer
102 views

Can We Have Links in Tags?

In a recent comment correspondence between Jack D'Aurizo, SimplyBeautifulArt, and myself, it was asked whether one can put links in a tag. A quick and naive test fails, as such: $$\text{Direct Link} \...
0
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0answers
63 views

How to write multiple terms in power of a variable/constant? [duplicate]

How can I write e(to the power)(-|t-2n|) using mathjax. When I try to write by these lines of code, e^(-|t-2n|) only the first term of power is shown correctly. e^(-|t-2n|) $$ e^(-|t-2n|)$$ ...
-7
votes
2answers
131 views

How to colour long sentences without causing them to overflow and exceed the page?

The entitled question can be seen in an older version How can a Fields Medallist be 'not very good at logic'?: $\color{green}{\qquad \text{Well, the idea that mathematics is synonymous with ...
1
vote
1answer
99 views

How to put a matrix like this image?

I don't know if this is the place where I can ask this. If not, please, tell me where. This is a particular example of matrix I want to write in TeX commands. I was searching matrix stuff in "MathJax ...
4
votes
1answer
113 views

Edit summaries/revision history cannot handle MathJax properly

Sometimes if somebody edits the MathJax part of a question or answer MathJax breaks down in the revision history, creating italics and messing up formatting so that its really hard to see what changed....
2
votes
1answer
576 views

MathJax command for `\coloneqq`

Previously, I used $:=$ when defining notation. Until I discovered the preferred $\coloneqq$ or ...
3
votes
1answer
389 views

Underline does not display in fraction. Mathjax bug?

In this answer the underline below $k$ in the exponent in the definition of $\binom nk$ cannot be seen. It took \displaystyle for it to appear. I can reproduce the ...
2
votes
0answers
48 views

LaTeX rendering in incorrect locations [duplicate]

When browsing the site I notices that in the hot question section of the sidebar there was a link to this post on SuperUser. The link looked a little strange, as shown in the image: If I'm not ...
2
votes
1answer
67 views

“\right\rceil” sized incorrectly (in Firefox 50 on Mac OS X, maybe elsewhere)

In a comment to an answer I wrote, I noticed the following problem with the size of \right\rceil: $$ n=\left\lceil e^{W\left(\frac{\log \left(\frac{n!}{\sqrt{2\pi}}\...
24
votes
2answers
668 views

Commas inside or outside dollars in MathJax?

There are some things which work slightly different in MathJax+html than in standard TeX/LaTeX. One of the things is that comma or full stop after MathJax might sometimes get on new line - as pointed ...
10
votes
0answers
152 views

Strange MathJax quirk, and why it happened

I just encountered the following when editing a question: This is how I ended up with what I had: Start with $sin(t), 0<=t<=pi$ (without the quotes that I ...
12
votes
4answers
1k views

MathJax and the French notation for open intervals

\begin{align} \forall x\in(0,+\infty), \quad f(x) > 0 \tag 1 \\[10pt] \forall x\in ]0,+\infty[, \quad f(x) > 0 \tag 2 \\[10pt] \forall x\in {]}0,+\infty{[}, \quad f(x) > 0 \tag 3 \end{align} ...
0
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0answers
88 views

Is it a rule to use mathjax on this site? [duplicate]

Recently I found that there are people who answer question without using mathjax at all. For example, they write x^-1 instead of $x^{-1}$ or w instead of $\omega$. I understand that most of the new ...
0
votes
0answers
58 views

Why are long MathJax expressions broken when rendered by ChatJax (robjohn's bookmarklet)? [duplicate]

I have noticed that if I have a long MathJax expression without spaces, then it is not displayed correctly when rendered using robjohn's bookmarklet. There used to be similar problems in comments on ...
-7
votes
2answers
405 views

$\LaTeX$ shortcuts

Do we want to add shortcuts for common $\LaTeX$ commands? Examples: \ra, \la, \Ra etc. for <...
1
vote
0answers
126 views

Ugly MathJax alignment on Zoomed pages (possibly Chrome specific)

I just noticed in passing that MathJax alignment in this answer has become very ugly - see the excerpt below. The string of $x$'s is wavering up and down. I don't recall seeing this when the answer ...
3
votes
0answers
93 views

Double mathjax when asking

I have been getting double mathjax recently when asking questions, and only when asking questions. It renders correctly on the preview but just makes my input box look weird. I use the latest version ...
1
vote
2answers
995 views

$\LaTeX$ Symbol for a right-angled triangle [closed]

Is there a $\LaTeX$ symbol for a right-angled triangle, with the triangle lying on its right angle, either on the left or right? There is $\triangle$, $\triangledown$, $\triangleleft$, $\...
-2
votes
1answer
306 views

\tag mathjax spills to the right of main text body

I've known about this bug for a while. Weird that it still hasn't been fixed. If the \tag mathjax is not intended to be used, then why is it included as a valid ...
15
votes
1answer
523 views

Save the answer in TeX/PDF - revisioned

Some time ago, I used the Save as LaTeX script which was provided by the user who answered this question Save the answer in TEX?. It worked really well. Unfortunately the user seems to have deleted ...
1
vote
1answer
115 views

How can I input a vector?

I input \vec x but it doesn't change a vector x. What is the wrong? In addition to it, I couldn't input \ldot. [Edit, JL] Really? $\vec{x}, \vec{y}$ Works for me! Oh, I did not know that I should ...
0
votes
0answers
310 views

MathJax is not working today.

In this answer, which I wrote entirely in MathJax, I see a blank space where the answer was. Under it, I see a comment from "Wolfy" that says: The $\qquad\qquad$ part is throwing me off can't we ...
1
vote
0answers
121 views

Problem with math rendering in a long post

I posted this answer, https://math.stackexchange.com/a/1944415/30391 , but the first eight display style equations are not rendered. Instead their LaTeX commands are shown in boxes. The equations were ...
19
votes
1answer
808 views

Would you be interested in an automatic TeX bot?

I see that many new users, who have no idea about MathJax, ask poorly formatted questions and somebody has to come along and edit them. Would you be interested to automate this? Will Math SE ...
0
votes
0answers
143 views

The Syntax of Chatting

Noob question. Over in the Mathematics.SE chat area, when the equations and terms posted are more complicated than, say, "sqrt(-1)" or " X^y," they are often in a shorthand, which seems like a ...
0
votes
0answers
46 views

The links in “Hot Network Question” interpretes dollar as MathJax [duplicate]

This afternoon I came upon a link that produces a red "Math processing error" : I will upload a screenshot. Here is the link to the question