Questions tagged [support]

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

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2866
votes
34answers
928k views

MathJax basic tutorial and quick reference

(Deutsch: MathJax: LaTeX Basic Tutorial und Referenz) To see how any formula was written in any question or answer, including this one, right-click on the expression it and choose "Show Math As > TeX ...
193
votes
8answers
42k views

How to ask a good question.

How to ask a good question. This thread has advice on the following aspects of writing a good question on this site. Each item in this list links to an answer below about that specific aspect of ...
125
votes
17answers
13k views

Sandbox for drafts of long, complex posts

This sandbox is intended for saving drafts of long, complex posts, especially posts whose composition takes a long time. It serves to localize to one thread the front-page "bumps" caused by edits to ...
87
votes
3answers
2k views

STOP! Look and Listen.

I was reviewing a bit and ran into a bad answer. Usually I open the question to see it within context (I know this is not the supposed course of action) and so I did. The bad answer I was reviewing ...
61
votes
3answers
3k views

Common acronyms used on main and meta

When I first joined this site, I had to figure out “OP” from context. Finding out what “CW” means was much easier, as it is often spelled out in full. CFV I had to be point-blank told about. It seems ...
60
votes
8answers
3k views

Copying my solution, verbatim, is just so not cool

Someone just verbatim copied my solution into his answer: Complete induction: $\sum^n_{i=1}\frac{1}{(2i-1)(2i+1)}=\frac{n}{2n+1}$ (obviously, in retrospect, claiming I did the same from him). Edit ...
58
votes
1answer
1k views

What does the number “people reached” on the profile page mean?

I have just noticed that my activity page claims that I have "reached" 809k people. Since this is clearly ludicrous, I suppose "people" means actual people counted with high multiplicity. That's okay, ...
57
votes
5answers
12k views

How to draw a commutative diagram?

Is it possible to draw a (simple) commutative diagram using MathJax? Amscd doesn't seem to work here on math.SE. M(N)WE: $$ \begin{CD} K(X) @>{ch}>> H(X;\mathbb Q);\\ @VVV @VVV \\ K(Y) @&...
57
votes
2answers
7k 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. ...
45
votes
2answers
13k views

How to search for a formula/expression

Suppose I want to search for instances where an expression similar to $x_n^2-x_{n-1}x_{n+1}$ shows up. How would I do that? I suppose the question goes beyond searching MSE. Are there search engines ...
42
votes
5answers
9k views

Do we have an equation editing HOWTO?

I see other posters writing beautiful integrals and quotients within quotients and matrices and sigma summations and and and... is there a guide for that?
39
votes
1answer
2k views

“Contest problem” policy

What is our policy concerning contest questions on the Mathematics Stack Exchange? Why do we have a policy? What is a contest question? How we deal with on-going contest questions? I see a question ...
37
votes
3answers
2k views

Mathjax 2.5 alpha

We have deployed the latest Mathjax 2.5 alpha on Math.SE. As with any beta release please post an answer to this question if you find any issues. We will be monitoring this thread closely along with ...
36
votes
4answers
525 views

How to search on this site?

When using this site, it is quite important to be able to find posts on this site which might be related to the question I am interested it - both to avoid duplication (i.e., not asking again ...
36
votes
1answer
1k views

Mathjax 2.2 beta

UPDATE: Mathjax 2.2 final has been released. We have deployed the latest Mathjax 2.2 beta on Math.SE. As with any beta release please post an answer to this question if you find any issues. We will ...
34
votes
1answer
955 views

Capture the Flag: FAQ on Flagging

What is flagging for moderator attention? How does the flagging process work? What are the different flags, and what are they useful for?
33
votes
3answers
957 views

Writing answers works very slow

I don't know if this is a bug. Maybe it's just my operating system (ubuntu 10.10), computer, or browser(Mozilla 3). As of yesterday, I can write answers very hard. I noticed that before, the latex ...
32
votes
44answers
4k views

Formatting Sandbox

Basically the same as Formatting Sandbox in Meta Stack Exchange, but since this and Statistical Analysis are the only two sites (I know) supporting $\TeX$ formatting, I believe we also need one here ...
31
votes
1answer
1k views

Reputation decrease citing “User was removed”

I look at my account reputation changes, and noticed several negative reputation changes, both citing 'User was removed'. Is this behavior documented/explained anywhere. I would appreciate some ...
30
votes
1answer
475 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, ...
29
votes
2answers
2k views

Feature request: user script or option to turn off instant MathJax rendering

In view of the nearly unbearable slowdowns I experience while composing answers (both in Safari 5 and Firefox 5 on OS X 10.6.7) since June 21/22 I would most welcome a possibility ...
29
votes
3answers
367 views

Reviewing Suggested Edits

As part of the mod tools, there is a tool to review and approve suggested edits. The "review suggested edits" shows something like below which is not of much help to review and approve the edit. It ...
28
votes
1answer
25k views

Why is [Math Processing Error] all over the place today?

I'm seeing [Math Processing Error] all over this site today. Is there a bug or is this problem unique to me? How do I fix it? Thanks.
28
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?
27
votes
5answers
763 views

What if the duplicate has a better answer than the original?

I have recently asked a question (The original did not turn up in my search): Show that there are infinitely many powers of two starting with the digit 7 which was marked as a duplicate of: Starting ...
27
votes
1answer
2k views

Using TikZ on math.stackexchange

The title pretty much says it all: How can I use TikZ when writing my math questions on this site? I have written out my question in LaTeX using the TikZ and it took me quite some time, now I ...
27
votes
1answer
448 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 ...
26
votes
1answer
1k views

How to find questions originating from papers?

What is a reasonable way to find questions which are related to mathematical papers? The motivation to ask this was a recent post mentioning that: However the focus of this site seems to be ...
26
votes
1answer
359 views

How to disable the helping duck from popping up?

This is a minor thing, but this duck popping up in the bottom-right corner whenever you do anything catches your attention, for nothing, this can get really annoying. Is there any way to disable it? ...
25
votes
2answers
812 views

Is this an answer only site for people who just started here?

I'm a new user. I don't understand why I can't tell users what is wrong with their work. You can only do that when you have reached reputation=50? I also don't understand anymore what is meant by ...
25
votes
2answers
8k views

MathJax: How to number and reference multiline equations?

I'd like to number multiline equations and reference them, à la MathJax's Align and Gather environments. Can this be accomplished? If so, how?
25
votes
5answers
16k views

Catalog of limits

WARNING: This post contains hundreds of mathematical formulas. Do not open it on devices, where rendering of MathJax is slow! For more comprehensive catalog see https://mathindex.wordpress.com (it ...
24
votes
1answer
856 views

What happened on April 2017?

I used the query in this answer to see the number of edits per month and I was fairly surprised as April 2017 had $86,444$ edits. The graph of edits per day is even more surprising as one day had $55,...
24
votes
2answers
717 views

How to ensure candidates pre-commit for next election

This is a follow up to How can we best judge who has the skills to be a moderator? . Two moderators have recently resigned, and they say there will be another election soon. Some recent elections had ...
24
votes
1answer
611 views

Removal of the “too minor” reason for rejecting an edit

The edit review system appears to have been updated, and among the changes is the removal of the "too minor" reason for rejecting an edit. Does anyone know why this has been changed? Are minor edits ...
23
votes
3answers
615 views

Are my questions too niche or simply bad? How to improve attention to my questions?

I am a researcher working on computational physics, chemistry and materials science. I have the kind of math background that you would expect from a general physics graduate. Some times a problem ...
23
votes
2answers
324 views

Inter-StackExchange.com ads

Can something be done on our side to be slightly more selective about what comes up in the inter-stackexchange.com ads we have on the front page? I've just been informed someone has asked whether «"...
22
votes
2answers
1k views

How can I delete an answer which has been accepted?

I no longer want to help a particular user (picakhu) due to repeated comments that my considered answers are not helpful, changes in questions after I answer, and the user's pattern of not voting ...
22
votes
1answer
623 views

How to ask for help in understanding specific parts of a paper or proof.

When I ask some question, I strive to make it as self-contained as possible. Sometimes though, this turns out to be very hard, since the question is about a specific step in the middle of some proof ...
22
votes
1answer
305 views

Latex preview when initially composing an answer

When one starts writing an answer, it is not possible to turn off the live preview of the answer. This makes it rather painful when composing long, latex-rich answers. The only way around it is to ...
22
votes
1answer
245 views

Preview of a proposed edit?

Is there a way, when reviewing a proposed edit, to preview it exactly as the edited text would appear on the site? I maybe wrong but I think that at Tex/LaTeX Stackexchange you have the option to see ...
21
votes
1answer
352 views

Is there a way to edit without bumping the question?

I'm a kind of person who like to see no flaw in the answers I posted here (I'm sure many of us mathematicians here share the same value as me to a certain extent). For that reason, I usually double ...
21
votes
1answer
958 views

How to delete my question

I just posted this question on SE: How to make two vectors orthogonal? I want to delete it because I have come up with a way to word it better and manipulate it so people can understand what I'm ...
21
votes
1answer
521 views

Is using blockquote for highlighting problematic?

I want to ask whether using blockquote for the purpose of highlighting some part of a post is discouraged and whether it can cause some problems for users viewing the question? Example: Is using ...
21
votes
0answers
124 views

Is it possible to view descriptions of old bounties?

When starting a bounty, one is invited to provide a short description of what is asked for. The usefulness of this notice is evident; the task of writing or improving a purposeful answer is ...
20
votes
2answers
627 views

Is cross-posted forbidden/discouraged on Stack Exchange sites? If so, why?

Math people: I have never posted a question to Mathematics meta before and I hope this is the right thing to do. Yesterday I posted a question to Math Stack Exchange (is there a name for this ...
20
votes
5answers
734 views

Newbie wondering: Personal messages, leftover incomplete answers, …

I have been here for 3 weeks now, and I like to think that I'm gradually understanding, how the place works. However, there are a few things that I haven't figured out yet, and the FAQ didn't give any ...
20
votes
2answers
1k views

Problem with MathJax and Screen Readers

I have created two accounts in math.stackexchange.com. This is the new one because I forgot my password the the old account. I have ask many questions before and until now I have problems writing ...
20
votes
1answer
464 views

Are there some tools to follow deletions on this site?

Main question: Are there some (reasonably easy to use) tools to follow deletions on site? In particular, are there some ways to find self-deleted questions? Are there some ways to see deleted content ...
20
votes
1answer
381 views

Is the M.SE blog dead?

I was thinking of writing a post for the blog, and found the FAQ. It links to a blog chat room which is dead, and it is entirely unclear whom to contact about writing posts.