Questions tagged [mathjax]

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

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5
votes
1answer
76 views

Mathjax bug while editing an answer.

On this answer \deriv appears as red text when I am viewing the answer normally. When I click on edit the error disappears on the edit preview window. Is this ...
10
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2answers
116 views

MathJax renders badly when editing from Review Queue

This has been plaguing me for some time, and I wish I'd asked about it before. I often try to "fix" math formatting for new users when I come across their posts in the Review Queue, posing hard to ...
1
vote
2answers
111 views

Help me understand what mathjax is

I keep seeing people talk about mathjax on other posts by moderators etc. and it won't let me post/comment on there to ask what it is due to being new and not having enough reputation. So......what is ...
27
votes
2answers
829 views

How to deal with users that just won't use MathJax?

I recently stumbled upon DmRo912's most recent question and found that there was no MathJax where there probably should've been, and so I edited appropriately. But I then noticed that this was not a ...
0
votes
0answers
11 views

Has there been changes in MathJax display in the iOS app? [duplicate]

Lately I’ve found that the MathJax display on math.stackexchange.com in the iOS app of StackExchange has been different from what it was like before. For example (I used the below content without ...
3
votes
1answer
242 views

Problem with epsilon for Levi-Civita

Is this the correct use for the Levi-Civita symbol: \mathcal{E}_ijk The lowercase "i" looks a bit off to me: $ \mathcal{E}_ijk $ Thanks in advance.
3
votes
2answers
414 views

iOS 11 changed iPhone’s font for MathJax

I updated to iOS 11, and after doing so, the display font for MathJax has changed across the entire interface of my phone. As evidence, here is a screenshot I found laying around with its updated copy:...
0
votes
1answer
229 views

Latex symbols for equivalence

The "equivalence" symbol ($\equiv$) works well, while the "crossed" versions, like $\neqiv$ and $\notequiv$, do not ? Some alternatives ? Thanks
2
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0answers
51 views

Latex does not display in titles and comments

With MSE accessed by mobile app, latex symbols appear as they are. Is there a way to make them appear in full font ? Comments cannot be edited/deleted. Text does not zoom in by drawing fingers apart ...
2
votes
3answers
320 views

Is it possible to spoiler multi-line mathjax?

I can't work out how to do it. This: >! $$a=b$$ >! $$b=c$$ >! $$c=d$$ Produces this: Whereas this: ...
1
vote
1answer
492 views

Integration support for Mathcha

My current workflow is: looking up symbols through detexify typing math expressions into this editor scrolling up and down between the editor and preview box to make sure output looks good. I think ...
2
votes
1answer
170 views

Seeing the MathJax mark-up for a comment

If a question contains some useful MathJax mark-up that I don't know and want to recycle for use elsewhere, I can "edit" the question, copy the mark-up I want and then cancel my "edit". This isn't an ...
2
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0answers
71 views

I can't fix a comment with broken formatting

I can't fix the formatting in this comment (or even delete it and try again): How to formalize $\text{span}(S)=\{c_1v_1+\cdots+c_kv_k\mid v_1,~\cdots,~v_k\in S,~c_1,~\cdots,~c_k\in F\}$ rigorously in ...
2
votes
2answers
147 views

Labeling Simultaneous Equations?

I'm aware that you can label a single line with \tag: $$2x+3y=5\tag{1}$$ But can you do this with simultaneous equations? For example, each of the following in: $$\begin{cases} 2x+3y=5 \\ x-y=19 \...
0
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0answers
76 views

How can I write a contour integration in Mathematics Stack Exchange? [duplicate]

How can I write a contour integration (from complex analysis) in Mathematics Stack Exchange? I have many questions relating to contour integration in complex analysis, but I don't know how to write a ...
2
votes
0answers
422 views

Auto MathJax Code Generator on Stackexchange.com [duplicate]

Is there is any websites or software which is used to auto generate Mathjax code which helps in writing on math.stackexchange.com or any other StackExchange websites?
21
votes
1answer
505 views

Should I fix my 175 posts that use \newcommand without \begingroup?

A little over 4 years go I discovered that MathJax supports the $\LaTeX$ command \newcommand, and started to use it in my own answers and questions: this makes ...
28
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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
173 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
447 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
73 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
907 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
107 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
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0answers
100 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
549 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
172 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
votes
0answers
135 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
194 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
74 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
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
407 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
339 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
251 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
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
votes
0answers
59 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
589 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
99 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
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
470 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
200 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
318 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
128 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 ...