Questions tagged [support]

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

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0
votes
1answer
192 views

No idea what's happening in my profile!

What does this imply? I don't get up votes once I reach 160 reputation for a question? Is this very common. There are 23 events and the reputation stopped just after 16 up votes.(Laughs) A bug need to ...
30
votes
1answer
2k views

How to center a figure in the post?

In this post here, the figure appears on the left side. I tried to center the figure but I could not do so. Is there a way to center figures/text in a post?
12
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1answer
892 views

Is it possible for me to rotate symbols and operations?

I wanted to rotate $\Box$ $45^\circ$ clockwise to make a diamond. At the time, I did not know there was a diamond command $\diamond$ and $\Diamond$ and $\diamondsuit$ and even things like $\not\...
22
votes
2answers
438 views

What can be used for checking on posts you downvoted/closed?

I have seen discussions where some users explicitly mentioned that they tend to go back to questions and answers they downvoted (or voted to close) and if they were sufficiently improved, they retract ...
1
vote
1answer
324 views

Backup, save, download all questions and answers for individual users

Why can't I run data queries on the Math Site?, How do I know I won't lose all my work in math.SE? say there are data dumps for math.se. But how do I download only the data for one user? This ...
16
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2answers
803 views

What to do about these trivial edits? (http → https)

I happened to look back at an old post of mine, and found that it was recently edited by a user with 1 reputation point. The edits were trivial — e.g., in https://math.stackexchange.com/posts/1057573/...
14
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2answers
894 views

How to Post Pictures in an Array/Table, on MSE, with MathJax

Is it possible to marshal multiple pictures in one question in an array or table? For example, I'd like to piece together a 2 x 2 array from the following pictures. I essayed this but it foundered: ...
11
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2answers
2k views

Tex math formula rendering not working on math.stackexchange.com but does work on other sites

I'm running Ubuntu 12.04. In both Chromium and Firefox (ver 25), math.stackexchange.com fails to render the math formulas. However, if I go to http://www.mathjax.org/, I see correctly rendered math ...
11
votes
1answer
392 views

Asking questions in a language other than English

I know there are some topics about it but I didn't find the the answered of my question. Imagine I want to ask an extremely precise question with a lot shades in one of all possible subjects on ...
6
votes
2answers
839 views

LaTeX rendering delay

I experience a delay of about 5-10 seconds when I edit a question with math markup in https://math.stackexchange.com/. However, there is no such delay in https://mathoverflow.net/. Is there any ...
4
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4answers
212 views

How do I follow tags?

How do I follow particular tags for new questions asked with this tag?
3
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2answers
556 views

Hyper referencing in MathJax

I've Googled and searched mathstackexchange, but cannot find out how to insert a blue URL reference in a question or answer. Can you give me an example that I can edit it to look at the Latex code?
30
votes
1answer
487 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, ...
16
votes
0answers
288 views

How to find old deleted posts of my own?

I recently noted that one of my questions on meta.MSE has been deleted. Seems like it has been a victim of the auto-deletion script. I usually keep improving the English my old posts. The same issue ...
14
votes
1answer
6k views

How to input matrices when posting questions at Math StackExchange? [duplicate]

I would like to post a question here in which I would like to insert a $2 \times 2$ matrix with entries $a$, $b$, $c$, and $d$, respectively, in the positions row 1 col. 1, row 1 col. 2, row 2 col 1, ...
10
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1answer
242 views

Searching comments

While looking over some material concerning "separable differential equations", I remembered a conversation I had (via comments) with another MSE user and wanted to find said conversation. I ...
8
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2answers
3k views

How do you render a closed surface double integral?

In other words, this: According to Wikipedia, the code is \oiint, but it doesn't seem to work on this site.
7
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2answers
172 views

How to search among comments?

I remember someone mentioned about the meaning of "order" in first order language and second order language in a comment to one of my questions. But I searched with "first order" with my id "user:1281"...
4
votes
3answers
573 views

Mathjax syntaxes that don't look very good?

These MathJax syntaxes look fine to me: \require{cancel}\cancel{\Longleftrightarrow} $$\require{cancel}\cancel{\Longleftrightarrow}$$ ...
2
votes
2answers
168 views

Flagging a question before it is edited

I have noticed over the past few months some inconsistency with certain flags. If I flag PSQ with the closeflag "offtopic: missing context" and then it is edited later to be okay, I have had both ...
27
votes
1answer
453 views

What's going on with the UI?

Is there a medium/long-term plan for a total revamp of the SE user interface? I noticed the list of recent badges was removed, and now the top bar is completely changed (access to the meta site link ...
18
votes
2answers
618 views

Upvoted rather than flagged a comment; can it be undone?

I was trying to flag a comment in this answer, and messed up and upvoted it instead. I immediately tried to cancel the upvote to discover, somewhat to my surprise, that comment upvotes cannot be ...
16
votes
1answer
309 views

Surge in inexplicably declined “obsolete” flags

So, it's been a while since I returned to the MSE quarters, and I've taken up most of my old activities. Among those is the flagging of obsolete comments in the old threads I encounter while browsing ...
14
votes
1answer
372 views

Where did my avatar go?! :(

Recently on mathSE, my auto-generated avatar (gravatar) was changed. What is the reason for this? Can I get my old avatar back?! I liked it better. Edit 1: It looks like my avatar has changed in my ...
12
votes
1answer
209 views

Choice of the question in the tour

In the tour an example question (and example answers) are shown. Ideally, that should be an example what is considered by the most of MSE community as a good question. The question which is ...
11
votes
1answer
178 views

What is the reason for this change of reputation? Reputation tab says “-2” and “removed”.

About an hour ago, my reputation was decreased by 2. I was curious, because I usually do not receive down-votes. However, when I got on my profile page, I was really confused. What does this "removed" ...
9
votes
2answers
1k views

Can I view all recent deletions, especially self-deleted questions?

A few minutes ago I put a comment on a question by https://math.stackexchange.com/users/50707/kalima asking where he found his problem. The problem was something along the lines of Diophantine $4 a^2 (...
9
votes
1answer
101 views

What is the difference between merging two tags and synonymizing two tags?

Two tags can be made synonyms and they can also be merged. What is the difference between these two things? I am referring here to the terminology used in this post. It contains a list of changes in ...
8
votes
1answer
230 views

Rollback feature [duplicate]

What does the rollback feature do exactly? I am new to the site and have found a few options under the question I have recently posted, so found this rollback option intriguing, hence wanted to know ...
8
votes
2answers
318 views

Syntax to use \newcommand in a post

What is the syntax to use \newcommand in a post? I tried \$\newcommand{\foo}{1+1}\$ But this leave a blank line. Also, for severals ...
7
votes
2answers
189 views

What is the efficient way to search post with pictures/images?

I have answered quite a few posts with pictures/images. Is there a way to search MSE so that it lists all my posts, where I have used an image/picture?
7
votes
1answer
139 views

Is there a way to search for past HNQ?

Is there a way to search for past "Hot Network Questions"? It would be best if it included those that where removed by moderators for whatever reason) Given that there is a discussion about HNQ, and ...
7
votes
2answers
5k views

Tex \implies symbol does not work

I needed couple of times to use the \implies symbol (which is basically a double lined right arrow). It works in Mathoverflow.net, but here it doesn't work: $\implies$. Any suggestions?
7
votes
3answers
359 views

A specific confusing MathJax syntax that works randomly or not

Today I ran into the specific MahJax problem for which I cannot find the cause. Interestingly, if this Mathjax syntax somehow works in the Q&A area, it definitely doesn't work in the comment ...
7
votes
3answers
654 views

Strange LaTeX fonts in OS/X Lion?

Since switching to OS/X Lion in two computers, math fonts on MSE look all wrong. Has anyone else noticed that? Am I mistaken in associating the change with the OS switch? Here's a quick formula: $\...
6
votes
0answers
129 views

LaTeX a jumbled mess when flagging as a duplicated

Is it normal for the LaTeX to be a jumbled mess when flagging as a duplicate? In case it isn't all systems, I am on a Linux system with Firefox 34.0.
5
votes
1answer
1k views

How to write mathematical symbols such as $\sum_{i=n}^\mathbb{N}$ with indices below/above the $\sum$ [duplicate]

I want to write: $\cup_{n \in \mathbb{N}}$, and $\sum_{i=n}^\mathbb{N}$. But I want them the index to be above and below the symbol, not to the side, how do I fix this?
5
votes
2answers
127 views

Access to question posts from previous years.

As far as I know, to search posts, say, from 2016, requires a tremendous amount of effort: From the "Newest" tab on main math.se, one can search up to five pages back, and then can choose up to 7 ...
5
votes
1answer
195 views

How to remove downvote after the grace period expired?

I accidentally cast a downvote which I want to remove (Computing $\cos\frac{\pi}{7}$). I found about it too late to reverse my vote and am looking for help in what I can do. The Help desk was no ...
4
votes
2answers
129 views

Is there any way to subscribe to a thread so you get email notifications?

I asked a question without subscribing, but now I'm not being notified of answers. Is there any way to subscribe so that I'll get those notifications?
4
votes
1answer
69 views

Cannot edit my bounty notice

I started a bounty here, and placed the reason why as provided. However, I made several typos and I can't seem to edit the notice. I intended to say: $$L(Du,u_t,u,x,t)=\int_{U_T} e^{-c(\epsilon)t}\...
4
votes
3answers
86 views

How to search for postings of user X with tag Y? [duplicate]

Suppose I want to search for postings of a known member John Doe under the tag Calculus. What steps do I take? Similarly: How do I search for responses of user X to questions which have tag Y?
4
votes
1answer
146 views

Why is the user number appended to links?

When I click on "link" under a question or an answer, the link that's produced ends with my user number. It works just as well if I remove that number (and the preceding slash). Why is this number ...
4
votes
1answer
328 views

Low quality posts

Some time back,I was trying to ask a question.(Find the smallest positive integer $a$ such that 1971 divides $50^n+a.23^n$ for odd n.) This is what I got: "Oops! Your question couldn't be submitted ...
3
votes
1answer
181 views

Renaming tags to plurals

(Edit by KennyTM: Just a reminder, please avoid retagging for pluralization before there is consensus, thanks.) I propose the following changes in tags: lie-algebra ===> lie-algebras riemann-surface ...
3
votes
3answers
11k views

How to markup expression using sigma notation for sum in MathJax [duplicate]

I have had trouble trying to express a sigma sum formula. Please do not think I have been lazy, I have been lazy, it is just I have up attempting to work it out after over 2 hours (when my actual ...
3
votes
1answer
274 views

Graphs in questions - tikz [duplicate]

Is it possible to make graphs in questions using tikz? Or must I insert it as a picture? I wanted to ask a question about graph theory. Thanks in advance!
3
votes
1answer
381 views

What latex packages are used this site?

What are the TeX packages automatically imported in the math.stackexchange site? And is there a way to include different packages in the response box? I ask because I would like to use certain ...
2
votes
1answer
94 views

How can I move from comment to chat?

When I need to discussion to some one about the problem in a detailed way, It seems better to do it in a chat-room instead of comments. But what is the usual way to do this.(I do this once some weeks ...
1
vote
1answer
353 views

Latex is not properly displayed

My OS is Win7, and I've tried Firefox, IE9, and Chrome. None of them can display properly the Latex code. Yet, the code on mathoverflow is displayed properly. Please help!

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