28
votes
The scope of \newcommand is the entire page
It pains me to break this thread by fixing the issue, but here we are. :)
We are now inserting \begingroup and \endgroup ...
- 100
27
votes
When is it ok to use \newcommand and \DeclareMathOperator?
I don't think there exist general guidelines. However there are some characteristics of this site and of MathJax that together suggest, at least to me, a certain set of rules:
The relevant ...
- 42.1k
17
votes
When is it ok to use \newcommand and \DeclareMathOperator?
While celtschk already mentioned this in their answer, I think this deserves highlighting:
There is a way to use MathJax macros safely in SE posts:
Add ...
- 25.4k
13
votes
Should titles be included in begingroup..endgroup (similarly as posts and comments)?
Proposal: Defining macros in the titles should be strongly discouraged and we should ask Stack Exchange to add them to blacklisted phrases in the titles.1 This would mean blacklisting: ...
12
votes
Accepted
A possible bug regarding MathJax, previews, and the arctangent/tangent functions?
A linked question contained some malicious code in the title. I've removed it.
- 26.2k
12
votes
Accepted
Can custom TeX/MathJax commands be defined by default for a site?
Yes, this is possible. You can run a list of commands in the header of the documents that define a list of macros. I have that on my website, so I can always write ...
- 379k
11
votes
Accepted
Is there some way to include some default text quickly in a post?
I'm not certain exactly what you are looking for. There are a few ways which I can see interpreting what you're asking for. How to implement it, or what to use, is going to depend on what you want and ...
- 103
10
votes
Should I fix my 175 posts that use \newcommand without \begingroup?
In my opinion, the obvious solution would be to gradually edit all and only those posts where you have redefined a predefined LaTeX-MathJax command. The reasons are as follows:
If anyone wants to ...
- 54.9k
6
votes
A possible bug regarding MathJax, previews, and the arctangent/tangent functions?
One of the links from Greyes' question is: Simple trig problem- whose URL is actually
math.stackexchange.com/questions/885521/renewcommand-tan-sin-renewcommand-arctan-arcsinsimple-trig-problem
which ...
- 2,960
6
votes
How to define string remap in MathJax
You can define macros in MathJax. As far as I can tell, you cannot use numbers in macro names. For example, this defines a macro called \Rsq which then types $\...
- 51.2k
3
votes
Accepted
Request for Hyperbolic $ \sech \,x $ inclusion in MathJax
To make my comments into an answer:
Firstly, you can define it manually, so \operatorname{sech}(x) renders as $\operatorname{sech}(x)$. A more fancy way is to put <...
- 28.4k
3
votes
Accepted
The \newcommand question is farfetched, but $\LaTeX$ typing still takes ages
So if I understand your post correctly, the problem you see is that answering takes a long time and the reason is that you don't have macros automatically at your disposal. (Of course, for other users ...
- 51.2k
Only top scored, non community-wiki answers of a minimum length are eligible