Questions tagged [mathjax]

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

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6
votes
1answer
104 views

MathJax preview does not work when editing from review (or when editing a deleted question)

Hardmath's earlier bug report made me take a closer look at the way MathJax works when editing a post from preview. Or, rather, the way it currently doesn't work. While investigating, I also noticed ...
1
vote
0answers
28 views

MathJax rendering error in Review | Suggested Edits? [duplicate]

Sometimes I edit a question to format the MathJax correctly. I submit the edit, and everything looks good. I get the notification "Thanks for your edit! This edit will be visible only to you until it ...
11
votes
1answer
610 views

Can the site-design be improved to be more welcoming to new users?

I think that the design of MSE could be more welcoming to new users. I don't know how much effort it would take and of course that should be considered. My view is as someone who is relatively new to ...
14
votes
2answers
552 views

MathJax Style: It is acceptable to include a period at the end of a block formula?

Is it acceptable practice to terminate a block formula with a period like this... Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque blandit arcu orci, gravida accumsan sem ...
3
votes
1answer
107 views

How to make slash going through two digits?

I want to try make it slash both of 2 digits. For example if I do $$ \not{7}$$ it will slash that 7. What to do for $10$ or bigger numbers? Edit: $\require{cancel} \bcancel{10}$
8
votes
1answer
958 views

How to draw a commutative diagram on math.stackexchange.com? [duplicate]

I want to draw a rectangle commutative diagram, but I do not know how. The MathJax codes I find on the internet do not work here. I tried the following: ...
5
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1answer
81 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
120 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
115 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 ...
28
votes
2answers
866 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 ...
3
votes
1answer
457 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
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2answers
563 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
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1answer
260 views

Latex symbols for equivalence

The "equivalence" symbol ($\equiv$) works well, while the "crossed" versions, like $\neqiv$ and $\notequiv$, do not ? Some alternatives ? Thanks
3
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0answers
67 views

Latex does not display in titles and comments [duplicate]

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 ...
3
votes
3answers
536 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
1k 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
269 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
votes
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
486 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 \...
2
votes
0answers
700 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
509 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 ...
30
votes
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
207 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
2answers
601 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
77 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 ...
12
votes
3answers
1k 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
118 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
102 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" ...
6
votes
0answers
735 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
200 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
2k 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
202 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
164 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
votes
0answers
230 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
85 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?
-12
votes
1answer
220 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?
9
votes
1answer
4k 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 ...
2
votes
1answer
670 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 ...
2
votes
0answers
608 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
47 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
312 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.
8
votes
0answers
126 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
63 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
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
611 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 ...
6
votes
0answers
106 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 ...
2
votes
0answers
158 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
484 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
261 views

$$ vs \[ for displaying math equations

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

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