Questions tagged [newcommand]

For questions related to defining own macros (using \newcommand and similar commands) in MathJax.

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14
votes
1answer
409 views

Should titles be included in begingroup..endgroup (similarly as posts and comments)?

Not too long ago, a Stack Exchange software was changed in such way that macros defined in a post are valid only inside that post (similarly for comments). It was announced in an answer on this meta: ...
10
votes
2answers
158 views

A possible bug regarding MathJax, previews, and the arctangent/tangent functions?

For context, I was making a tweak to GReyes' answer on this question, just cleaning up some formatting with the trigonometric functions. Specifically, I was turning ...
12
votes
2answers
493 views

Can custom TeX/MathJax commands be defined by default for a site?

Recently SE.QuantumComputing started private beta (bit of a misnomer, as users can join freely), and we started a $\mathrm{\TeX}$-tutorial Meta discussion like the one found here at SE.Math. Since ...
21
votes
1answer
505 views

Should I fix my 175 posts that use \newcommand without \begingroup?

A little over 4 years go I discovered that MathJax supports the $\LaTeX$ command \newcommand, and started to use it in my own answers and questions: this makes ...
2
votes
0answers
100 views

\newcommand does and does not work in titles

\newcommand within a question has in my experience failed to work in titles. In this question when I hit "reload", I see the backslash and Th in red; i.e. it doesn't work. But when I click on "edit" ...
46
votes
2answers
1k views

When is it ok to use \newcommand and \DeclareMathOperator?

As some of you may know, you can use \newcommand and \DeclareMathOperator to create new TeX macros. For example, ...
1
vote
0answers
147 views

MathJax no longer respects `\newcommand` definitions from questions in other posts

In a question of mine I used e.g. $\newcommand{curl}{\operatorname{curl}}$ to define $\curl$ being rendered as $\newcommand{curl}...
53
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 ...