Questions tagged [support]

A request for assistance with one of the site's features.

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-2
votes
1answer
35 views

Math.Jax is “unknown environment”

This was my first time using Math.Jax, or trying to. I followed all the rules for dollar signs back slash etc. but all I got for my trouble was the message "unknown environment." What has to be done ...
4
votes
2answers
85 views

Typesetting variants of sum and integral signs in MathJax

Is there any way to enforce the lower and upper limits of integrals and sums to appear below and above the respective signs in MathJax (cf e.g. the German variant described here: https://en.wikipedia....
1
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2answers
55 views

Bracketed values with Mathjax

I would like to be able to produce something like this with Mathjax: i.e. two values bracketed together, one value on its own in the middle and two more values bracketed together. Does anyone know ...
1
vote
0answers
90 views

Request for Hyperbolic $ \sech \,x $ inclusion in MathJax

MathJax does not work for hyperbolic $ \sech \,x$... Can it be now included? Thanks in advance. EDIT1: From user1729's comment suggestion, they work okay: $$\operatorname{sech}(x) $$ $$ \...
-2
votes
1answer
209 views

Computational Math vs Computing

I am new to the Mathematics SE forum. I recently asked my first question. I received comments that it was a question about computing rather than maths. Today, I started receiving downvotes, which I ...
-16
votes
2answers
255 views

Why is this question completely disappearing where I have answered and got a bounty of 200?

The hidden question was: New numeration system, mapping to binary numeration system Where I have answered with the copyright notice that must be always respected and not only for my topics, and my ...
-4
votes
2answers
50 views

Write mathjax and text in the same line

This is not duplicated. I know how to use the $ sign, but I want to write long equations and words after in the same line and I don't know how. For example if I write: $2=1+1=2(0.5+0.5)=\sum_{n=1}^...
36
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0answers
1k views

Launching *Pearl Dive* - a chatroom where excellent questions/answers meet willing sponsors

Announcing the birth of the Pearl Dive – a chatroom dedicated to enhancing the quality of the material on the site, sieving out the pearls from the sand. Caveat: I'm new to creating chatrooms, ...
3
votes
0answers
95 views

Typsetting my answer is hard unless I first post it

I have noticed a change in the stackexchange mathjax typsetting viewer over the past few months: The "preview" that is displayed when I real-time type my answer is not as attentive as it used to be: ...
-1
votes
1answer
64 views

Mathjax: how to ignore certain commands? [closed]

I'm writing a document in emac's org-mode, which exports both to Latex and to HTML. For the HTML portion, it uses Mathjax. Now, ...
0
votes
1answer
73 views

What does “ask a new one” mean?

In this question it it written that: This question already has answers here: Sets. Classes. …? (4 answers) Your post has been associated with a similar question. If this question doesn’t ...
4
votes
1answer
57 views

How to define string remap in MathJax

For example if there is a lot of $R^2$ and $C^2$ in a post, how to map the plain text R2 to $R^2$ only in this post like: ...
6
votes
1answer
129 views

About an “answer” that was posted by OP but looks like his own attempts

This question If $y=\tan^{3}\left(\frac x2\right)$ and $y' = a \sin(bx)\cos(cx)$ what is $\dfrac{a}{b-c}$? has an "answer" posted by OP which is not really an answer but attempts by OP. I think ...
3
votes
2answers
234 views

Is there any problem in my MathJax syntax?

Is there any MathJax error in my MathJax syntax? Example: ...
12
votes
2answers
479 views

How can I write roman numbers in MathJax?

I need to write roman numbers in MathJax. I've tried almost every way. But, then I decided to copy the symbol itself. But it looks very ugly. For example, $$\displaystyle \mathcal {D}^{{\left(II \...
4
votes
1answer
51 views

How do I cite some specific section of wiki but not the whole page?

For example here is the wiki page of MathJax. [MathJax](https://en.wikipedia.org/wiki/MathJax) This is how to cite the whole page, but how do I only cite the '...
7
votes
1answer
159 views

Reputation went down.

My reputation went down 170 points before 5 minutes Also it has gone down many times, I have almost lost 1000 reputation and I cannot see the deleted posts. What is going on? It is not about ...
1
vote
0answers
120 views

Why the bracket(s) disappear? [closed]

I tried all the ways before asking the question here. I've tried all the ways I know. I'm having a problem like this. I'm looking for a way to transform equations written in MathJax into pictures in ...
4
votes
1answer
69 views

Sitewide update of closing GUI?

I was reviewing some questions when I noticed some GUI/text changes. Has there been any update to the site I'm not aware of? Where can I read more about what changed?
2
votes
0answers
89 views

Could someone check the edit processing code ? I think there's a bug in it?

this post gave me trouble, I edited it, tapped the +2 for editing after page refreshing (I do that too much), played around putting my mobile browser into desktop site mode (another thing I do too ...
1
vote
0answers
61 views

need help on how to re-post an existing question that contains too many questions

I want to repost part of my question: Questions concerning quotient spaces specifically collapsing a set to a point. One of the commenter stated that I have included like ten questions in a single ...
6
votes
1answer
274 views

How can I write the left and right sides of the equation in different sizes?

I hope I'm at the right place to write my question.Because the mathjax tag exists at both stackoverflow.comand tex.stackexchange.com. I want to write this equation (This is just an example) $$G(x_1,...
15
votes
4answers
332 views

How can I write backslash in MathJax?

I want to write following in MathJax: L(A)\L(B) When I type following: $L(A)\ L(B)$ It prints: $L(A)\ L(B)$ When I type ...
5
votes
1answer
52 views

Community makes content edits?

In this particular answer of mine Community account made an edit - I always thought Community is a bot- account. It flipped the colour description of the functions wrongly - what is happening? ...
1
vote
1answer
504 views

Why did my reputation not suddenly increase by 1500 points?

This question is a follow-up the recent thread Why did my reputation suddenly increase by 1500 points? where it was explained that everyone recently got an additional $+5$ points per upvote, ...
2
votes
0answers
79 views

Can't write the set-operator in mathjax?

When trying to write $\{1,2,3\}$ in a question on math.stackexchange.com it just becomes $1,2,3$. However it seems to work here on meta.math.stackexchange.com. How can I get it to work on the main-...
66
votes
2answers
10k views

Why did my reputation suddenly increase by 1500 points?

Yesterday my reputation on Math.SE was around 2450 points. Today I logged in and I saw, unexpectedly, that it is 3913. I have not gained any reputation since yesterday, according to my profile page. ...
5
votes
1answer
153 views

How do I contact the poster of a deleted answer?

Poster A gave an upvoted and accepted answer to a question. Poster B also answered the question, but then deleted his answer—perhaps after a quick glance at A's short and simple answer, considering ...
1
vote
1answer
166 views

At 5000 point I received a new privilege.

I recently reached 5000 points and I got a message, saying I have a new privilege. "Approve tag wiki edits" What does this mean?
1
vote
0answers
59 views

Duplicate tag on my question [duplicate]

(Sorry I don't know whether it is called a tag or something else so) Recently I posted this which soon was marked as duplicate though questions to which it is compared as duplicate neither satisfy ...
0
votes
0answers
53 views

Recovery of questions from an old registration [duplicate]

Is there a chance to recover all my questions asked in my old assignment number user401938 when I signed up and after I have deleted himself from Math.SE?
10
votes
1answer
139 views

How do I change Math Renderer for MathJax?

In various posts on meta I have read that various math renderers can be used for MathJax, such as HTML-CSS, SVG, etc. See, for example, What is the difference between the 3 math renderers? How can I ...
4
votes
0answers
70 views

Audit first post question

I was reviewing through the “first posts” on an iPad when I come up across a question about conjugates. Because it was an audit, it did not show any comments... etc. I decided to first comment on it, ...
2
votes
1answer
54 views

Formatting problem with “invisible” comments

I posted an answer and tried to make some of my hints invisible (but visible when you mouse-over them). Formatting didn't quite work, and I split the comment into three lines making only the first ...
0
votes
2answers
163 views

trying to add the abstract algebra tag

I'm just trying to add the abstract algebra tag to this old question i just bountied and the same user keeps rejecting it: Closed subscheme of a projective scheme determined by homogeneous ideals ...
1
vote
0answers
52 views

Issue with picture uploads

I just uploaded a picture here, and there seems to be an issue with it. For me I can see it. The TS seems to not being able to view the picture. To draw the rectangle $R=[0, 2]\times [0,1]$ What ...
3
votes
1answer
76 views

How could a user with a single point cast votes?

This user has not been more than at least $15$ reputation. Why can they cast votes?
1
vote
0answers
102 views

I would like to delete this question of mine, community deletion.

I would like to delete this embarassing older question of mine: $\lim_{x\to -\infty} f(x)=L$, definition But I can not delete it, since it has an answer and I do not have 10.000 reputation (I guess)....
2
votes
1answer
94 views

I don't believe my question is a duplicate

I asked a question here which was closed for being a duplicate, and though I have edited the question to clarify why it was not it has not been reopened. To restate: the question I am asking is a ...
6
votes
1answer
112 views

Why don't I get reputation points for edits anymore?

It has now been 3 days. Although I edit questions, I do not get reputation points anymore. The edits have not been rejected. Any hints, please?
2
votes
0answers
106 views

Could a moderator allow me to access a deleted post?

I posted a question on the math stack exchange a while back which has now become my only source of a set of notes I'd like to access. The only problem is, it seems I may have deleted it! Is there any ...
1
vote
0answers
43 views

In the StackExchange iPhone app, how do I get MathJax to work in comments in the Math StackExchange section?

I’m not sure this is the right place to ask but it seemed like it is. I don’t get this problem for other sections of StackExchange. Just the “Mathematics” section.
11
votes
1answer
505 views

What makes a contributor new?

I notice that this user is currently flagged as a new contributor on the main site (see here for example) despite the fact that he has been a member of MSE for quite a while and has plenty of rep ...
1
vote
1answer
85 views

Why doesn't this array render?

Why doesn't ...
3
votes
0answers
133 views

Unable to add “span” tag to (linear algebra) question

I thought that "span" would be a good tag to add to this question on Mathematics Stack Exchange, but when I click on "Edit Tags", type "span", click on "span", and click on "Save Tag Edits", I don't ...
4
votes
0answers
60 views

Use of citation helper

New edit. I edited again the question following Martin Sleziak's comment below. As he correctly guessed, the question is not about the elementary use of the citation helper, so I found necessary to ...
6
votes
1answer
175 views

Why when I did click on one link, 26 cookies were set up?

There was a link in the comments section of a question (don't click the link) https://en.wikipedia.org/wiki/Banach%E2%80%93Tarski_paradox was supposed to redirect you to Wikipedia. It indeed happened ...
0
votes
2answers
176 views

How do I put those yellow boxes in my question?

Whenever I post a question, $5$ minutes later someone edits a yellow box around the part of the question that couldn’t fit in the title. I wish to save those nice souls their time and learn to do it ...
7
votes
1answer
141 views

Is it OK to ask approximately one question a day from old application exams?

If I ask approximately one question a day (from old application exams) will it be considered flooding/spamming or is this perfectly legal?
3
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0answers
115 views

Was this soft question appropriate?

I asked this question a week ago, and it quickly drew critical comments which were upvoted. I felt that the concern expressed in those comments had been addressed in the body of the question, and ...