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Questions tagged [mathjax]

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

29
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0answers
1k views

MathJax v2.7.2 beta

Update: v2.7.2 has been released, so we're switching over to the non-beta version today. MathJax v2.7.2 has entered the public beta phase. We're setting it up here to kick the tires and help out with ...
1
vote
2answers
169 views

I don't know how to write formulas for integration, power series, etc. in Math.SE [duplicate]

I want to ask questions from calculus but I do not know how to write the formulas; it causes me lots of problems. I do not know to how write power series as there is no option in my keyboard. Can ...
10
votes
1answer
434 views

How to write math equation with auto numbers

I can write a math equation as below: \begin{equation} \begin{cases} 2x+y-3=0 .... (1) \\ 3x-5y+7=0 .... (2) \end{cases} \end{equation} In this example, the equation number is added manually, is it ...
3
votes
0answers
72 views

Vector notation issue in iOS application

Everyone's answers and questions is displaying vectors very weird. For example \vec F gives: $$\vec F$$ What happened? How can we fix this? I hope I don't have to ...
10
votes
3answers
792 views

Can we support TikZ picture rendering?

I found an older thread from 2013 with basically the same question: Using TikZ on math.stackexchange I'd like to revive the discussion, since I believe it's certainly possible, even if it may not ...
1
vote
0answers
41 views

Instantaneously Latex Rendering [duplicate]

Is it possible to turn off the instantaneous latex rendering when typing up questions on MSE? The instantaneous rendering slows down the process of entering text to an annoyingly slow pace.
6
votes
1answer
102 views

TeX Packages supported?

It is possible to do useful things with external $\TeX$ packages; but what packages are supported (and which do not need an explicit \require{…})? I could only find ...
2
votes
0answers
97 views

\newcommand does and does not work in titles

\newcommand within a question has in my experience failed to work in titles. In this question when I hit "reload", I see the backslash and Th in red; i.e. it doesn't work. But when I click on "edit" ...
5
votes
0answers
491 views

LaTeX to MathJax

Sometimes an answer posted on math.stackexchange is long, containing sections, formula numbering, cross-references and even a bibliography with in-text citations, like a little article. It is unwieldy ...
11
votes
1answer
163 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
197 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
votes
0answers
123 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 ...
3
votes
0answers
187 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
68 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
148 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
votes
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
286 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
271 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
235 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
votes
0answers
113 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
votes
0answers
58 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
votes
0answers
41 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
577 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
95 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
vote
0answers
143 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
464 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
186 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
votes
2answers
311 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
117 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
98 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
votes
0answers
62 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
126 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
95 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
103 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....
1
vote
1answer
440 views

MathJax command for `\coloneqq`

Previously, I used $:=$ when defining notation. Until I discovered the preferred $\coloneqq$ or ...
3
votes
1answer
325 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
64 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
632 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
149 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
votes
0answers
87 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
57 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
362 views

$\LaTeX$ shortcuts

Do we want to add shortcuts for common $\LaTeX$ commands? Examples: \ra, \la, \Ra etc. for <...
1
vote
0answers
100 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
84 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 ...