Questions tagged [support]
A request for assistance with one of the site's features.
2,205
questions
2
votes
1answer
25 views
Help with Chat and Question
I am trying to add a user to chat I made because I have a question about his answer he gave a while back to a specific question Problem Here The person's name is the last answer at the bottom. Do you ...
4
votes
1answer
52 views
How to link a duplicate post to two different posts where there are answers?
Recently I've asked this question on MSE which has in fact two questions on it:
Describe all $R$-modules of low order (up to isomorphism)
Later, I realized that in two different posts there were ...
7
votes
1answer
160 views
Does reputation change if an answer gets deleted due to deletion of original post by vote(s)?
I recently found that the following post $\lim_{x\rightarrow +\infty}\sqrt{x}e^{-x}\left(\sum_{k＝1}^{\infty}\frac{x^{k}}{k!\sqrt{k}}\right)$ was deleted by vote(s) and as a result my answer also got ...
7
votes
1answer
219 views
When should one not edit their own questions?
I am the type of person who unfortunately makes a lot of mistakes of the dumb kind with miscalculations. Sometimes I end up posting my questions containing those miscalculations.
Is it ok to edit my ...
3
votes
0answers
197 views
Question about a simultaneous “massive” downvote [duplicate]
17 simultaneous downvote (only on Question posted, I think):
May I ask if there is some "systematic" reason ?
Thanks
5
votes
1answer
63 views
Should I create a new question?
I forgot a minus sign everywhere and I made a question wrong.
I asked
The differential entropy cannot be negative for pdf in (0,1) but the question should have been positive instead of negative.
The ...
-3
votes
1answer
107 views
Math.Jax is “unknown environment” [closed]
This was my first time using Math.Jax, or trying to. I followed all the rules for dollar signs back slash etc. but all I got for my trouble was the message "unknown environment." What has to be done ...
5
votes
2answers
232 views
Typesetting variants of sum and integral signs in MathJax
Is there any way to enforce the lower and upper limits of integrals and sums to appear below and above the respective signs in MathJax (cf e.g. the German variant described here: https://en.wikipedia....
1
vote
2answers
58 views
Bracketed values with Mathjax
I would like to be able to produce something like this with Mathjax:
i.e. two values bracketed together, one value on its own in the middle and two more values bracketed together.
Does anyone know ...
2
votes
1answer
132 views
Request for Hyperbolic $ \sech \,x $ inclusion in MathJax
MathJax does not work for hyperbolic $ \sech \,x$... Can it be now included? Thanks in advance.
EDIT1:
From user1729's comment suggestion, they work okay:
$$\operatorname{sech}(x) $$
$$ \...
-2
votes
1answer
227 views
Computational Math vs Computing
I am new to the Mathematics SE forum. I recently asked my first question. I received comments that it was a question about computing rather than maths. Today, I started receiving downvotes, which I ...
-16
votes
2answers
277 views
Why is this question completely disappearing where I have answered and got a bounty of 200?
The hidden question was:
New numeration system, mapping to binary numeration system
Where I have answered with the copyright notice that must be always respected and not only for my topics, and my ...
-4
votes
2answers
50 views
Write mathjax and text in the same line
This is not duplicated.
I know how to use the $ sign, but I want to write long equations and words after in the same line and I don't know how.
For example if I write:
$2=1+1=2(0.5+0.5)=\sum_{n=1}^...
3
votes
0answers
95 views
Typsetting my answer is hard unless I first post it
I have noticed a change in the stackexchange mathjax typsetting viewer over the past few months:
The "preview" that is displayed when I real-time type my answer is not as attentive as it used to be: ...
-1
votes
1answer
65 views
Mathjax: how to ignore certain commands? [closed]
I'm writing a document in emac's org-mode, which exports both to Latex and to HTML. For the HTML portion, it uses Mathjax.
Now, ...
0
votes
1answer
73 views
What does “ask a new one” mean?
In this question it it written that:
This question already has answers here:
Sets. Classes. …? (4 answers)
Your post has been associated with a similar question. If this question doesn’t ...
4
votes
1answer
58 views
How to define string remap in MathJax
For example if there is a lot of $R^2$ and $C^2$ in a post, how to map the plain text R2 to $R^2$ only in this post like:
...
6
votes
1answer
131 views
About an “answer” that was posted by OP but looks like his own attempts
This question If $y=\tan^{3}\left(\frac x2\right)$ and $y' = a \sin(bx)\cos(cx)$ what is $\dfrac{a}{b-c}$? has an "answer" posted by OP which is not really an answer but attempts by OP.
I think ...
3
votes
2answers
234 views
Is there any problem in my MathJax syntax?
Is there any MathJax error in my MathJax syntax?
Example: ...
12
votes
2answers
479 views
How can I write roman numbers in MathJax?
I need to write roman numbers in MathJax. I've tried almost every way. But, then I decided to copy the symbol itself. But it looks very ugly.
For example,
$$\displaystyle \mathcal {D}^{{\left(II \...
4
votes
1answer
51 views
How do I cite some specific section of wiki but not the whole page?
For example here is the wiki page of MathJax.
[MathJax](https://en.wikipedia.org/wiki/MathJax)
This is how to cite the whole page, but how do I only cite the '...
7
votes
1answer
160 views
Reputation went down.
My reputation went down 170 points before 5 minutes
Also it has gone down many times,
I have almost lost 1000 reputation and I cannot see the deleted posts.
What is going on?
It is not about ...
1
vote
0answers
122 views
Why the bracket(s) disappear? [closed]
I tried all the ways before asking the question here. I've tried all the ways I know. I'm having a problem like this. I'm looking for a way to transform equations written in MathJax into pictures in ...
4
votes
1answer
70 views
Sitewide update of closing GUI?
I was reviewing some questions when I noticed some GUI/text changes.
Has there been any update to the site I'm not aware of? Where can I read more about what changed?
2
votes
0answers
89 views
Could someone check the edit processing code ? I think there's a bug in it?
this post gave me trouble, I edited it, tapped the +2 for editing after page refreshing (I do that too much), played around putting my mobile browser into desktop site mode (another thing I do too ...
1
vote
0answers
61 views
need help on how to re-post an existing question that contains too many questions
I want to repost part of my question: Questions concerning quotient spaces specifically collapsing a set to a point.
One of the commenter stated that I have included like ten questions in a single ...
6
votes
1answer
275 views
How can I write the left and right sides of the equation in different sizes?
I hope I'm at the right place to write my question.Because the mathjax tag exists at both stackoverflow.comand tex.stackexchange.com.
I want to write this equation (This is just an example)
$$G(x_1,...
15
votes
4answers
332 views
How can I write backslash in MathJax?
I want to write following in MathJax:
L(A)\L(B)
When I type following:
$L(A)\ L(B)$
It prints: $L(A)\ L(B)$
When I type ...
5
votes
1answer
52 views
Community makes content edits?
In this particular answer of mine Community account made an edit - I always thought Community is a bot- account. It flipped the colour description of the functions wrongly - what is happening?
...
1
vote
1answer
504 views
Why did my reputation not suddenly increase by 1500 points?
This question is a follow-up the recent thread Why did my reputation suddenly increase by 1500 points?
where it was explained that everyone recently got an additional $+5$ points per upvote, ...
2
votes
0answers
79 views
Can't write the set-operator in mathjax?
When trying to write $\{1,2,3\}$ in a question on math.stackexchange.com it just becomes $1,2,3$. However it seems to work here on meta.math.stackexchange.com. How can I get it to work on the main-...
66
votes
2answers
10k 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. ...
5
votes
1answer
153 views
How do I contact the poster of a deleted answer?
Poster A gave an upvoted and accepted answer to a question. Poster B also answered the question, but then deleted his answer—perhaps after a quick glance at A's short and simple answer, considering ...
1
vote
1answer
166 views
At 5000 point I received a new privilege.
I recently reached 5000 points and I got a message, saying I have a new privilege.
"Approve tag wiki edits"
What does this mean?
1
vote
0answers
59 views
Duplicate tag on my question [duplicate]
(Sorry I don't know whether it is called a tag or something else so)
Recently I posted this which soon was marked as duplicate though questions to which it is compared as duplicate neither satisfy ...
0
votes
0answers
54 views
Recovery of questions from an old registration [duplicate]
Is there a chance to recover all my questions asked in my old assignment number user401938 when I signed up and after I have deleted himself from Math.SE?
10
votes
1answer
139 views
How do I change Math Renderer for MathJax?
In various posts on meta I have read that various math renderers can be used for MathJax, such as HTML-CSS, SVG, etc. See, for example, What is the difference between the 3 math renderers?
How can I ...
4
votes
0answers
70 views
Audit first post question
I was reviewing through the “first posts” on an iPad when I come up across a question about conjugates. Because it was an audit, it did not show any comments... etc. I decided to first comment on it, ...
2
votes
1answer
54 views
Formatting problem with “invisible” comments
I posted an answer and tried to make some of my hints invisible
(but visible when you mouse-over them).
Formatting didn't quite work, and I split the comment into three lines making only the first ...
0
votes
2answers
164 views
trying to add the abstract algebra tag
I'm just trying to add the abstract algebra tag to this old question i just bountied and the same user keeps rejecting it:
Closed subscheme of a projective scheme determined by homogeneous ideals
...
1
vote
0answers
52 views
Issue with picture uploads
I just uploaded a picture here, and there seems to be an issue with it.
For me I can see it. The TS seems to not being able to view the picture.
To draw the rectangle $R=[0, 2]\times [0,1]$
What ...
3
votes
1answer
76 views
How could a user with a single point cast votes?
This user has not been more than at least $15$ reputation. Why can they cast votes?
1
vote
0answers
102 views
I would like to delete this question of mine, community deletion.
I would like to delete this embarassing older question of mine:
$\lim_{x\to -\infty} f(x)=L$, definition
But I can not delete it, since it has an answer and I do not have 10.000 reputation (I guess)....
2
votes
1answer
95 views
I don't believe my question is a duplicate
I asked a question here which was closed for being a duplicate, and though I have edited the question to clarify why it was not it has not been reopened. To restate: the question I am asking is a ...
6
votes
1answer
113 views
Why don't I get reputation points for edits anymore?
It has now been 3 days. Although I edit questions, I do not get reputation points anymore. The edits have not been rejected. Any hints, please?
2
votes
0answers
106 views
Could a moderator allow me to access a deleted post?
I posted a question on the math stack exchange a while back which has now become my only source of a set of notes I'd like to access. The only problem is, it seems I may have deleted it! Is there any ...
1
vote
0answers
43 views
In the StackExchange iPhone app, how do I get MathJax to work in comments in the Math StackExchange section?
I’m not sure this is the right place to ask but it seemed like it is.
I don’t get this problem for other sections of StackExchange. Just the “Mathematics” section.
11
votes
1answer
505 views
What makes a contributor new?
I notice that this user is currently flagged as a new contributor on the main site (see here for example) despite the fact that he has been a member of MSE for quite a while and has plenty of rep ...
1
vote
1answer
85 views
3
votes
0answers
134 views
Unable to add “span” tag to (linear algebra) question
I thought that "span" would be a good tag to add to this question on Mathematics Stack Exchange, but when I click on "Edit Tags", type "span", click on "span", and click on "Save Tag Edits", I don't ...
