Questions tagged [support]

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

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75 votes
7 answers
17k 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) @>{...
124 votes
17 answers
18k 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 ...
0 votes
0 answers
67 views

Excavator badge not being awarded

I edited an answer that was inactive for more than 6 months, but wasn't awarded the Excavator badge. Why? Although it is not specified in the badge criteria, but does the post being negatively scored ...
38 votes
52 answers
6k 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 ...
-3 votes
0 answers
90 views

Software for math related typing [closed]

I would like to ask if anybody knows what is the appropriate software for writing math text. I mean what is the software that is used on the several math/physics notes or papers? Is it just Microsoft ...
4 votes
1 answer
83 views

How do I start a bounty?

I would like to start a bounty for the question: How to calculate the integral of a product of a spherical Hankel function with associated Legendre polynomials Below the questions and existing ...
-2 votes
0 answers
68 views

Question closed by its a valid question and I want to post an answer for future reference. [duplicate]

I posted this question: Optimal path on the surface of cuboid doesn't visit the same face twice. It was a simple one and someone answered it as a comment. I was planning to expand on the comment ...
8 votes
1 answer
215 views

Why wasn't this question removed automatically from the HNQ list?

From previous discussions, I've come to understand that questions with MathJax in the title cannot become hot network questions, and that editing a title to include MathJax should boot the question ...
6 votes
3 answers
157 views

Accessing answers from the Timeline page?

This is a minor thing, but it's been bugging me: When I navigate onto the Timeline page for a post (using the little clock icon), I can often see that there is a new answer (e.g. here, on today, Oct ...
7 votes
0 answers
251 views

A Beginner and the Problem with the 50 Reputations Requirement

I have just started studying calculus and sometimes have questions which are super easy for the most members of the site. I had a question and did not want to ask it because a similar one was already ...
21 votes
1 answer
1k views

A question has been closed as not being about mathematics

I used to post here at least one question a week. Within the last few years, it has felt like the community has changed and the moderating has changed. I stopped being as active and watched ...
1 vote
0 answers
118 views

Close as duplicate when the "duplicate" appeared several years later [duplicate]

It does not make sense to me that you get your question closed when the duplicate causing it to be closed has appeared many years later. And the question being closed already has a satisfactory and ...
2 votes
1 answer
108 views

How to rotate text by 180° and or mirror it in Math.SE?

I'd like to rotate and mirror text left-right in Math.SE, as plain text or inside formulae. What I tried is from a TeX post or this one like: ...
6 votes
2 answers
439 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.
9 votes
3 answers
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.
2 votes
2 answers
92 views

Why can't I edit the tags of my post? Why do people not seem to be interested in it?

I have a question about my Mathematics Stack Exchange post: Trying to prove a proposition about the nth order derivative of a polynomial by induction - is this correct? I tried to add the proof-...
0 votes
0 answers
132 views

Would this question be more suitable for Math Overflow?

I asked the following question, but I didn't get any answer, even after adding a bounty: Finite-sample confidence interval for the sample mean of N iid Beta-Binomial random variables Do you think I ...
3718 votes
37 answers
1.4m 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 and choose "Show Math As >...
2 votes
1 answer
149 views

Number of bounties offered by an user

Is it possible to see how many bounties offered a specific user and how many of these bounties were awarded?
2 votes
1 answer
91 views

typing star between brackets in text

Suppose I write a post that contains equations that I like to refer back to later, like this: $$3^2 + 4^2 = 5^2 \qquad (*)$$ $$3^3 + 4^3 + 5^3 = 6^3 \qquad (**)$$ $$3^4 + 4^4 + 5^4 + 6^4 = 7^4 \qquad ...
0 votes
1 answer
117 views

Asking questions from a long proof

There is a proof from a book I have a doubt on, but the proof itself is quite long. Should I copy paste the whole text or can I just take screen shot from the pages in the book and put?
2 votes
0 answers
123 views

Not sure if my use of mathematical notation is even correct

I just asked a question on this site. One thing I've noticed looking at other questions is that most seem to have pretty good formal questions and good use of accurate mathematical notation. Creating ...
1 vote
0 answers
93 views

Reputation change bug

I recently answered this question (Simple quadratic function, but can't understand the question).I got 24 upvotes as well as my answer(edited by @Dan) was accepted; but my reputation change due ...
19 votes
1 answer
1k views

Why is MSE still down (read-only)?

When accessing the main site, I see a banner with the text "This site is currently in read-only mode. We’ll return with full functionality soon. Follow @StackStatus, visit our status blog or ...
4 votes
1 answer
126 views

Are bumps by community user shown/logged somewhere?

Community user bumps some old unanswered question from time to time. Is this activity shown somewhere? Quite often it can happen that someone edits a post in order to improve it - since the questions ...
0 votes
0 answers
84 views

Find comment or answer about notation

If I remember correctly I asked a question during spring 2020 about group theory or algebra and somebody wrote that they had an informal symbol for a generalized operation (I think it looked similar ...
4 votes
0 answers
329 views

How do I write a better title and improve my post?

I am unable to write a proper title for my question. It is too long and I'm unable to define “non-piecewise” in my title: Is there a non-piecewise average extending the average from Hausdorff Measure/...
4 votes
0 answers
122 views

Mathjax not working on Chrome 99.0.4844.51 (64 bit) Windows 7

This problem has started ever since I joined MSE (it never loaded on my computer!) Only recently I tried to troubleshoot the problem as I started using MSE more. I have tried everything mentioned in ...
1 vote
1 answer
162 views

What is the significance of the yellow highlighting on some items in the list of MSE questions?

About 2–3% of the questions in the (recency-ranked) main list of MSE questions are set in a block of pale-yellow highlight. The selection appears to be random and doesn't seem correlated with my ...
3 votes
1 answer
322 views

Why sometimes when I post a problem I need to wait for 40 minutes?

I recently was trying to post a maths problem but when I click on submit it tells me that you can post once in every 40minutes as such I didn't post anything at all before this in few months so why ...
1 vote
1 answer
189 views

A cyan background for any question [duplicate]

I wanted to understand why I see some of the questions in cyan as in the attached image. Thanks in advance.
1 vote
1 answer
145 views

Why are some questions highlighted in a light blue, on the main site? [duplicate]

I notice that some questions are highlighted in a light blue (cyan), on the main site. Is this a new feature? And what does it mean? Does it mean, that someone is writing an answer/comment or is ...
8 votes
0 answers
90 views

Comments no longer shown in All Actions

Up to quite recently (today perhaps!), when I clicked on my profile and then on "All actions" and "Comments", I used to see both the title of the question and the contents of the ...
1 vote
0 answers
272 views

What fraction of users gained the established user privilege over the years?

I want to know, out of all the users who joined MSE in a year, what amount of users gained the privilege of becoming an established user from one year of that account plotted as a function of time (...
1 vote
1 answer
133 views

How to have multi-line pasted text show as multiple lines of text in mathjax.

The only way I know how to have multiline text "show" as multiline text is to add 4-5 leading spaces to each line of pasted text. line 1 line 2 This is ...
2 votes
1 answer
160 views

Statistics of fraction of questions closed per month (posted that month itself)

Is there any way I can access the data of what fraction of questions are being closed as dupes per month. So, for example, I want to compare how many Qs posted in January this year was closed that ...
0 votes
0 answers
130 views

How to write # in mathjax? [duplicate]

I am basically trying to write the above formula in mathjax but the # is causing errors in the code. How could I incoporate # as a symbol without errors?
1 vote
1 answer
168 views

How to write an encircled bullet?

How can I write in MathJax a circle with a bullet inside it? I know \odot, but this is a circle with a dot inside it; I want most of the circle be filled by the dark circle inside and only a thin ...
4 votes
1 answer
64 views

Searching and text delimiters

On math.meta, when I do a search for cstheory I get several results, none of which is this one: (The question is here.) For it to find this question as well I have ...
10 votes
0 answers
371 views

Why was my 2012 question closed as a duplicate of a 2019 question? [duplicate]

Here's my 2012 question. It also has 45 upvotes and 33 bookmarks: Are there other kinds of bump functions than $e^\frac1{x^2-1}$? Here's someone else's 2019 question that mine was closed as a ...
0 votes
0 answers
77 views

How to left align a series of equations in MSE [duplicate]

When I use Latex, I use the command "flalign" to left align a long series of equations extending over multiple lines. However, this doesn't work when I write something in MSE. How can I left ...
7 votes
2 answers
214 views

In search of a possibly deleted question

I'm trying to find a possibly deleted question. I don't remember the user. Is this possible? It was a question about finding $$\operatorname{E}\left[g(X)\right]$$ If my memory serves me correctly $$g(...
3 votes
0 answers
96 views

Can I make a collapse/expandable area?

Is it possible to make a collapse/expandable section in a question ?
7 votes
0 answers
99 views

Questions with watched tags no longer highlighted?

Why are questions with my watched tags no longer highlighted when viewing the lists of questions (e.g. math stackexchange and mathoverflow)? I just noticed this today and also noticed the question ...
19 votes
2 answers
2k 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?
8 votes
5 answers
375 views

How to produce a list of my own deleted answers? [duplicate]

From a previous thread, it seems that the functionality to list deleted answers has been removed. Is this true? What if I only want to see a list of my own deleted answers?
15 votes
1 answer
187 views

Are you sure you want to leave this page?

This has never happened before on SE, not even earlier today in a different stack. I wrote a question and clicked "post." Immediate pop-up "Are you sure you want to leave this page?&...
7 votes
1 answer
339 views

How do I view latex source code in answers or questions as rendered form or images?

Is it normal to see only the latex source code in questions and answers where they are typed? My perspective: Is there any way to render this into images or some form of intelligible format that I ...
4 votes
0 answers
107 views

Need of a thread listing software for studying mathematics

There is been a considerable amount of questions on the mainsite relating to softwares used in plotting in complex functions. Search As a solution to remove the amount of redundancy on the site, I ...
2 votes
1 answer
132 views

MathJax parentheses that span multiple lines

In math.stackexchange.com, how do I get parentheses to span multiple lines? For example, in $$ x \neq y := x \neq x_{j+1}\\ \text{and}\\ \Big(y \not \in \textsf{FV}(A) := x_j \not \in \textsf{FV}(A)\\ ...

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