All Questions

2591
votes
32answers
741k 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 ...
176
votes
7answers
32k 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 ...
123
votes
26answers
10k views

List of comment templates

Inspired by this question on meta.cstheory.SE. The post at meta.Tex.SE is quite impressive. We often leave generic comments to OP and answer posters such as: "if this is a homework, please add a tag,"...
44
votes
230answers
18k views

Requests for Reopen & Undeletion Votes, etc. (volume 01/2015 - 07/2018 ) [duplicate]

The purpose of this thread is to help focus the attention of the community on posts that may require exceptional handling. This includes requests for reopen and undeletion votes. A request should be ...
217
votes
9answers
18k views

List of Generalizations of Common Questions

Bill Dubuque raised an excellent point here: Coping with *abstract* duplicate questions. I suggest we use this question as a list of the generalized questions we create. I suggest we categorize ...
32
votes
70answers
5k views

Tag merging and synonyms [closed]

Moderator's Note: I am (at least) temporarily closing this thread. New suggestions should be made in the current Winter tag cleanup meta-thread. This is half a question, half an announcement. I ...
61
votes
19answers
6k views

Congratulations: the big thread!

Also known as the happiest place on the website! Use this thread to congratulate MSE users that you feel have reached a significant milestone on the website, or to congratulate the website itself, if ...
181
votes
1answer
25k views

How to ask a homework question?

How to ask a homework question? Can I ask a homework question here? How do I ask a homework question on this website? What information should I include in a question about homework? Why don't you ...
124
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 ...
29
votes
72answers
3k views

Tag management 2015 [duplicate]

Tags need a regular cleanup. This is a customary thread for tag synonyms etc. Rules of the game are basically the same: post your suggestion as an answer here if you see a particularly bad tag (a ...
130
votes
5answers
11k views

Should chat have TeX support?

OK, so chat is now available... but; it has been suggested that for Mathematics we should have TeX support. The current TeX processing has some non-trivial client impact. Before I even attempt trying ...
38
votes
2answers
2k views

Clarify an old answer

Today I went to ask a question, but I discovered that somebody else had already asked the exact same thing. Goody for me, right? Well, the trouble is, the question got several answers, but I don't ...
47
votes
4answers
1k views

How to grab users' attention on an old question?

Unfortunately, I haven't figured out whether this question is appropriate here. So I'm sorry if it is not. But nevertheless, here it is. For example, I have a question. A problem, or maybe a piece of ...
37
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 ...
50
votes
2answers
2k views

What should one do when one's question has been answered in the comments?

Once in a while, when one is venturing out of one's area of expertise, one may post a question and find it answered quickly and completely in the comments section. Perhaps someone has linked to a well-...
36
votes
2answers
2k views

Best way of asking “check my proof” questions

I am trying to learn proof based math on my own and once I construct a proof, I often have a gut feeling that it's not airtight. What is the best way of asking such questions? My findings till now: ...
82
votes
7answers
5k views

Proposal: Discourage questions that are nothing besides a problem statement

This is a very clear followup to Qiaochu's question: http://meta.math.stackexchange.com/questions/9180/proposal-ban-verbatim-homework-questions The reason that I create a new post is because I want ...
63
votes
13answers
18k views

FAQ for math.stackexchange

Right now, the faq only contains the boilerplate explanations of the stackoverflow engine, reputation levels, etc. This page serves as an index of other important support questions for the community. ...
56
votes
5answers
4k views

Is it appropriate to downvote answers for the sake of deleting a question?

I have noticed that sometimes answers are downvoted in order to cause the automatic deletion of a question by the community user. In particular, there are closed questions with $1$-point answers - ...
73
votes
1answer
2k views

Dealing with answers in comments.

I have noticed, of late, people providing answers/copious hints to the question in comments instead of actually adding an answer on their own. Other people might choose not to answer, as the ...
46
votes
10answers
3k views

A Consolidated Homework Policy

A certain theme during the Town Hall Chat was on the question of a homework policy. The idea of such a policy is not new. As one user said in the chat, I liked Rob john's suggestion towards ...
41
votes
5answers
8k 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?
28
votes
4answers
1k views

Should we ask for Question Quotas like those that have been available for the big three?

Our site is growing quite rapidly: currently each day there are about 150 new questions asked about 250 new answers posted about 150 edits made to posts. Each of the above actions changes the front ...
31
votes
1answer
2k views

Are “please check my proof” type of questions proper?

I am investigating a somewhat obscure area of number theory. Can I post a proposition and a complete proof and ask people to check it?
15
votes
1answer
839 views

The “meta-tags”.

What are the tags reference-request, soft-question, big-list for? When are they used? When should they not be used?
15
votes
3answers
776 views

How much bumping is too much?

Quite often some old questions are bumped for various reasons. They are edited to correct minor typos, punctuation, adding links, adding a more informative title etc. They are retagged - e.g. for the ...
38
votes
4answers
2k views

Guidelines for good use of $\rm\LaTeX$ in question titles

Motivation: Every once in a while, I find myself making edits like this one, where OP (likely due to inexperience in asking questions) has used display math mode (...
79
votes
10answers
7k views

Coping with *abstract* duplicate questions.

Any longtime reader cannot help but notice that we get many abstract duplicate questions, e.g. this recent question on partial fraction computation, which is not essentially different from many other ...
15
votes
35answers
2k views

Tag management 2017 [duplicate]

New year, new tag management thread. Rules of the game are basically the same: Post your suggestion as an answer here if you see A particularly bad tag (a rule of thumb: «if I can't imagine a ...
27
votes
41answers
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 ...
37
votes
2answers
617 views

Minimum suggested edit length

I just edited a question which was missing a couple of {} in its LaTeX markup. The effect was to make it hard to work out what was going on for people (such as, I ...
11
votes
2answers
804 views

Is there any way to see my deleted questions or answers?

Previously I deleted some of my questions, I wonder if there is a way to see (only) my deleted questions?
55
votes
5answers
11k 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) @&...
8
votes
2answers
332 views

Why does @someone sometimes disappear from comments?

I find the following occurring bug weird. When I post a comment I start with @someone. But for some reason this does not always get into the text. I get no error message but it is not there. In ...
71
votes
1answer
2k views

Why do some users delete their questions after receiving an answer?

It has happened several times now that a question is deleted by its author a few minutes after I post an answer. I suspect it's because the question is a homework question and the user wants to ...
47
votes
4answers
2k views

Two announcements: new “FAQ” and new “closure rules”

I want to point everybody's attention to two changes that will impact your user-experience here on Math.SE The first you may have already noticed: the old FAQ page has been replaced by a "help center"...
33
votes
64answers
3k views

Tag management 2016 [duplicate]

Since it is a new year and the old Tag Management question has already over 70 answers, it is time for a new Tag Management thread. Rules of the game are basically the same: Post your suggestion as ...
18
votes
21answers
1k views

Tag management 2018 [duplicate]

New year, new tag management thread. Rules of the game are basically the same: Post your suggestion as an answer here if you see A particularly bad tag (a rule of thumb: «if I can't imagine a ...
51
votes
5answers
2k views

The scope of \newcommand is the entire page

LaTeX on this site supports \newcommand and \renewcommand. This is very nice, but I noticed that the scope of these definitions ...
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 ...
66
votes
4answers
5k views

Fate of the (homework) tag: The community voted… now what?

Well, the results of the voting seem pretty conclusive: Leave homework alone: 43 upvotes (20.38%) Deprecate but don't delete homework: 12 upvotes (5.69%) Burninate and blacklist homework: ...
21
votes
3answers
2k views

MathJax: better way to prepare a Math.StackExchange question?

So right now, to write up a question for Math.StackExchange, I use Firefox to come here, say I'm going to ask a question, and start typing in the box (like I am now). The only way I have to test ...
35
votes
3answers
1k views

On the inclusion of pages-of-text-as-images in questions

This is to ask if there is and if there should be an official position of math.SE about the inclusion, as images, of pages and pages of printed documents in questions. For a recent example of the ...
19
votes
52answers
2k views

Tag cleanup 2014 [duplicate]

Tags need a regular cleanup. There was a number of questions on particular tags recently — but (while proposals for some really major changes should, perhaps, be posted as separate questions) maybe a ...
21
votes
9answers
2k views

List of chatrooms

This is a place where we could collect list of chat rooms associated with this site. There are several rooms which have potential to be useful if more users were aware of them or more users visited ...
39
votes
8answers
2k views

Under what circumstances is it appropriate to delete a question that has received a good answer?

I would like to have a discussion about the following question: When is it appropriate to delete a question which has been closed as "missing context or details," but which has generated ...
17
votes
1answer
564 views

Too long LaTex formulae not shown in comments?

If you try to show this formula in comments, it fails. $$M:\left[\begin{array}{cc}x&y\end{array}\right]\mapsto\left[\begin{array}{ccc}x&y&1\end{array}\right]M=\left[\begin{array}{ccc}u&...
39
votes
2answers
2k views

Save the answer in PDF?

Lot of answers here are excellent but there is no way to save it. Even if we can put them in favorites or print them. What about create a way to save answers in pdf? Also on meta : Is it ...
112
votes
4answers
2k views

Vote early, vote often

I would like to echo a post that Scott Morrison made on Tex.SE. I think this is definitely something we are experiencing here on Math.SE. A link to the post here, and the text of the post: "I'm a ...
56
votes
11answers
2k views

What is the site etiquette about (i) asking and (ii) answering questions in a language other than English?

We have a new user who has recently both asked and answered questions in French. I think we should discuss the appropriateness of this practice.

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