Questions tagged [support]

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

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1answer
90 views

Quick restoration of recent faulty edit

I request Quanto's post to be restored. Expressing $1 + \sin(x) - \cos(2x) $ as a product I had edited by error sandbox mode and pasted my own answer, an embarrassing situation. Raised a flag 10 ...
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1answer
223 views

Is this plagiarism [closed]

It was earlier posted on Academia but I think I must ask here too. (https://academia.stackexchange.com/questions/149324/is-this-plagrism-or-something-similar-in-a-masters-project) I am a master's ...
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1answer
101 views

Why can't I change my profile image?

In Math.SE I can visit the 'Edit profile and settings' page and edit my display name, location, etc. But when I tried to upload a new profile image from my computer, it always fail. Also, I can ...
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2answers
2k views

Someone “Copying” your answer after you post it

I was answering this question; after my answer posted, this user edited his/her answer to make it almost identical to mine, but just rearranged the statements $(1)$ and $(2)$ in different order. ...
3
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1answer
88 views

What is the number next to the post on which I've raised a flag?

I have recently noticed that there's a small number next to the post on which I have raised a flag. Here's a picture of what I mean: The number on the left is the score of the question. My question ...
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2answers
309 views

Can I forsake my superpowers?

I have been slowly collecting gold-badge super-powers in a few categories. I am not comfortable with them. I like to be able to vote on a post, and make the community aware of it and either agree or ...
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3answers
80 views

Chevron in MathJax

How do I write a chevron/circum (^) in MathJax? A backslash doesn't work as an escape character. (Specific context: using x^y to mean XOR as in $x\oplus y$. It's not my choice of notation so don't ...
3
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1answer
112 views

Can I ask a question here related to proving a physical property about the rendering equation?

On Meta Stack Exchange, I posted this question about where I should post a question I have. I was asked to ask here whether this forum is the appropriate place. In computer graphics, many ray tracers ...
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1answer
64 views

Some questions look greyed on Meta

I don't know why some questions are greyed on Meta. Is it something I changed in the preferences or a browser (I am on Firefox Linux) problem? I am talking about well received questions, not highly ...
11
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1answer
511 views

Downvote even contributing with more information to an old question

I have a question about my Mathematics Stack Exchange post: Help with understanding an example from the book 'Fooled by Randomness' Dear all, I just spent a few hours today after reading ...
6
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1answer
83 views

What happened with the PDE tag?

When you click on the "PDE" tag, you're redirected to a new tag "PARTIAL DIFFERENTIAL EQUATIONS". And you find all the old questions that were tagged as "PDE". Except that when you open the page of ...
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2answers
243 views

Why are people downvoting my question?

My question Coming up with a rigorous definition for a Riemman-like sum which is easier to compute? has been downvoted twice. Is it because: a) My question is too similar to this question? b) I ask ...
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2answers
128 views

Is there a way to flag profiles? [duplicate]

This username is clearly inappropriate for this site (or really any other, frankly). Normally I would flag one of the user's posts, but they don't have any; is there a way to flag a user profile ...
4
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2answers
154 views

How do I label the rows/columns of a matrix in MathJax?

$$ \qquad \quad \ \ 1 \ \ \ \ 2 \ \ \ \ \ 3 \ \ \ \ 4 \ \ \ \ 5 \ \ \ \ \ \\ A = \begin{bmatrix} h & e & l & l & o \\ m & s & e & * & * \\ m & e & t & a &...
4
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1answer
38 views

Differences between duplicate flags raised from different entries

When flagging a question, there are five options in the primary menu, "spam", "rude or abusive", "needs improvement", "a duplicate" and "in need of moderator intervention". In "needs improvement" ...
2
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0answers
90 views

About bans to ask question in math.stackexchange [duplicate]

I was banned from asking questions and it's still continuing. I even don't know whether it's OK to ask this question here. But I can't really distinguish the purposes of different sites of ...
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0answers
58 views

Writing exact sequences using mathjax [duplicate]

I need to write a question a math exchange about short exact sequences. I've found this question, isn't there a simpler way to do this?
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0answers
46 views

Latex not rendering regardless of browser

As the title says the math formatting doesn't show regardless of the browser or device I'm using. However changing the network with Vpn or mobile network solves the problem for some browsers so I the ...
1
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1answer
101 views

How to write h-bar (Planck constant divided by 2 $\pi$) using MathJax?

In this question I wrote $$|\mathbf{k_{scat}}| = \frac{2 \pi}{h} \sqrt{2 m_e e V}$$ where $h$ is the Planck constant. In physics we have h-bar which is $h/ 2 \pi$ but I don't know how to add h-...
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0answers
193 views

How clear is my question?

How clear is my post, "How to prove this Darboux-like sum converges to zero?". Do you understand how to compute sums for specific $s$? Could you visualize my definitions? If there's anything unclear ...
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0answers
108 views

How to make my question clearer?

I have reworded my original question, How do we create a better definition (for my definition of average) which is easier to compute and gives exact values? Is it clear now? If not, what parts are ...
2
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2answers
180 views

What should one do to remove his ban? [duplicate]

I was banned from posting questions a few days ago I read the post related to that and I want to get back my right to question. What things should I do to remove my ban and how does removing a ban ...
5
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1answer
78 views

Locking & deleting

Recently, a question was deleted while locked. The Help Center says, In most cases, a post which is "locked" cannot be modified in any way. Locking prevents... ...voting on the post (...
2
votes
1answer
113 views

Why can't I edit my own deleted (hidden) question?

There was an issue in my last question on Math.Stackexchange. I wanted to first formulate the general idea of my question, and then work on the question a little bit. It would be ideal if I could do ...
1
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1answer
144 views

A deleted question had 9 undelete votes and still stayed deleted. How could this happen?

I noted a question that had 9 undelete votes, yet it was still deleted, and it was deleted by 10 people. Logically one could expect that it requires 10 votes to undelete, but the question still ...
9
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1answer
136 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 ...
1
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1answer
66 views

How to put two functions in one brace?

This is what I want. Can you please help me?
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0answers
40 views

alignment is not working.

I tried like this. \begin{align} y_{p} &= $\ \frac{1}{D^2+D} (8cos2x-4sinx)\\$ &= $\ \frac{1}{D^2+D} 8cos2x$ -$\ \frac{1}{D^2+D} 4sinx\\ $ &= $\ 8\frac{1}{-4+D}cos2x$ - $\ 4\...
1
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1answer
57 views

How to write 'x is not converging to 0'?

To write 'x converges to 0' I can use x\to 0 that produces $x\to 0$. But how do I write "x does not converge to 0'? I need to strike out $\to$. Well cancel package ...
4
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0answers
57 views

Do users receive notifications when their question is migrated?

The user is not registered in math.stack but they have a question on math.stack. Are they still notified by some actions on their post?
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0answers
99 views

Why Math Jax rendering on Chrome, but not Firefox? [closed]

I screen shot Analogue of Leibniz Rule for Stochastic Integrals. I want how Chrome Version 81.0.4044.92 (Official Build) (64-bit) renders Math Jax, not Firefox 75.0 (64-bit). But both have HTML-CSS ...
0
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0answers
77 views

What is the most active time of day? [duplicate]

What time of day is the site most active? When are the most questions posted and the most answers given? What is the best time of day to post a question?
-3
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1answer
103 views

Why can someone make his/her own question as favorite?

I think it makes no sense to allow a user to make his/her own question as favorite.
2
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1answer
62 views

Is it possible to see how many users are online?

Is it possible to see how many users (especially experts) are online? or I should find it by checking user by user? It seem to me that nobody respond to my recent posts. Where can I find in my ...
6
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0answers
76 views

LaTex underbrace not displaying correctly

For some reason, this is what I'm seeing whenever an underbrace is supposed to be displayed on a post on this website: It looks like some sort of cropped out icon. It's weird because it doesn't ...
2
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0answers
61 views

Clarifying a factually incorrect case but editor opts for formatting change instead?

I am trying to edit this answer, which makes a claim about eigenvectors that is not true for all matrices. My edit was rejected. Instead, the editor followed up with a baffling formatting edit that ...
1
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1answer
45 views

Can I search by UserName AND Tag? Eg: All my posts about series-seq? [duplicate]

Can I search by UserName AND Tag? Eg: All my posts about series-seq? The search: [sequences-and-series] user:JackOfAll returns 30,000 results! Not right.
1
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1answer
62 views

How many variations of this grey background are there?

In Math Stack Exchange, it is common to find in an answer the question rewritten like this: Find the remainder when $2^{55}+1$ is divided by $33$ Then you find someone has hidden one of their ...
3
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0answers
45 views

What do you do when, in editing with MathJax, what you see in the preview is OK but the result is all messed up?

I tried to edit this answer. When the preview looked OK, I saved the edit, but the actual outcome was a mess. I tried various workarounds, but each time the result, despite a good preview, was worse ...
1
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1answer
66 views

Text within curly braces (mathjax).

Hi: I was defining a set with curly braces and put some words in between. For instance: {f: for all x, f < x}. If I enclose all between dollar signs (ds) the text will be poorly legible. Let's ...
3
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0answers
92 views

I am experiencing difficulty in the rendering of posts in the “review first posts queue.”

For the last three hours or so, when I see a post in the first post review queue, and click on it, I get the standard left top column menu "Home, questions, ..., appearing immediately above a post up ...
9
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2answers
323 views

Mathematical Alphanumerical capital I symbol

I'm looking to type this that I saw in a pdf document. However, when I google the mathematical alphanumerical symbols on Wikipedia, it has symbol styles for other letters, but I seems to be reserved....
-2
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1answer
86 views

Reputation numbers and the meaning of some items in my control panel.

[I know I can't control anything in that panel but I had to choose a name for it.] When I enter math.stackexchange.com I can see a page (I'll call it p1) with a bar on the top containing, on the right ...
-4
votes
1answer
59 views

How to write appropriate numbers in non of math, physics and chemistry sites in stackexchange? [closed]

in my question in my ell.stackexchange account, I want that look like user$20445$ instead of user20445. How can I do this? I am not comfortable with these inappropriate numbers.
3
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0answers
110 views

I am not allowed by you to post images but my reputation is over 300.

Hi: I have posted a post in math dot stackexcange dot com which includes an image and your site said that I could not post and image because I should have reputation above 10 to do that. But according ...
0
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0answers
58 views

Why the definitions of $P(n)$ and $C(n)$ go over the usual borders of the question-box and how to fix this issue?

When you observe this question: Primitive Pythagorean triples and the limit of two counting functions, is this limit equal to $0$ or not? you´ll understand what issues I am asking about how to fix. ...
2
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0answers
50 views

Need more specific details about policies regarding “review/close votes” [duplicate]

I have reviewed 700+ posts that were flagged to be closed, and I still don't fully understand the concept of what posts should or should not be closed. I have failed two audits in a week. Here is the ...
0
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0answers
54 views

Will the “comment everywhere” privilege be removed if my reputations go back below 50? [duplicate]

and what about other privileges? I have to extend my body of question! Why is this obligatory?! :)
0
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1answer
75 views

How do I re-enable MathJax after turning it off?

I accidentally turned off MathJax on a comment so I could see the LaTex source, and I don't know how to turn it back on again. I turned it off by right clicking in my browser, but now when I right ...
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0answers
80 views

Is it possible to store the good questions and answers of those users who has left or being removed by some reasons?

I want to ask a question to the moderators and the other higher authorities of Math Stack Exchange. Question: Is it possible to store the good questions and answers of those users who has left or ...

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