11.70.1 Top new questions this week

11.70.1.1 Help with drawing stress tensor in cylindrical coordinates in tikz

https://tex.stackexchange.com/landing/r/digest?cta=question&id=752512

I want to draw stress tensors in cylindrical coordinates like in the figure below. I have been able to draw stress components on the surfaces normal to the $z$ and $r$ directions, but I have not found ... 
[tikz-pgf] [tikz-arrows] [tikz-3dplot]
 

asked by noir https://tex.stackexchange.com/landing/r/digest?cta=user&id=38083 Score of 13

answered by Explorer https://tex.stackexchange.com/landing/r/digest?cta=user&id=322482 Score of 4

11.70.1.2 TikZ ellipse with arrows

https://tex.stackexchange.com/landing/r/digest?cta=question&id=752493

What is the simplest solution to draw an ellipse with dashes, only each dash has an arrowhead (either clockwise or anticlockwise)? 
I struggled to create this solution with anti-clockwise arrows. I had ... 
[tikz-pgf] [tikz-arrows] [tikz-decorations]
 

asked by Aendie https://tex.stackexchange.com/landing/r/digest?cta=user&id=197792 Score of 9

answered by Thruston https://tex.stackexchange.com/landing/r/digest?cta=user&id=15036 Score of 6

11.70.1.3 Using macros to define optional arguments for environments

https://tex.stackexchange.com/landing/r/digest?cta=question&id=752703

I am trying to use a macro to define the optional arguments to a tcbraster environment. Here is a simple example: 
\documentclass{article} 
\usepackage{tcolorbox} 
\tcbuselibrary{raster} 
\def\myoptions{... 
[macros] [tcolorbox] [expansion] [optional-arguments] [key-value]
 

asked by user419944 https://tex.stackexchange.com/landing/r/digest?cta=user&id=419944 Score of 7

answered by cfr https://tex.stackexchange.com/landing/r/digest?cta=user&id=39222 Score of 9

11.70.1.4 The nature of the \sup operator

https://tex.stackexchange.com/landing/r/digest?cta=question&id=752699

I am writing some notes for a very time-consuming job. I was wondering what kind of operator \sup is, or what its nature is, considering that it does not leave any space between itself and the curly ... 
[math-mode] [amsmath] [math-operators] [kerning]
 

asked by Sebastiano https://tex.stackexchange.com/landing/r/digest?cta=user&id=117876 Score of 7

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 12

11.70.1.5 Use of key-value pairs in \NewDocumentCommands

https://tex.stackexchange.com/landing/r/digest?cta=question&id=752605

I have a number of \NewDocumentCommands each defined with several big O optional arguments. Their ease of use would greatly benefit from defining the arguments as key-value pairs. One quick look at ... 
[expl3] [key-value]
 

asked by Reinhard Neuwirth https://tex.stackexchange.com/landing/r/digest?cta=user&id=11837 Score of 7

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 8

11.70.1.6 How can I change the "longtblr" caption separator ":" to "."?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=752656

I'm making the supplementary tables using longtblr. 
But, I want to change caption seperator ":" to period ".". 
I've change the first page, but the second page was not. 
How can I ... 
[longtable] [longtblr]
 

asked by Seongjun Lee https://tex.stackexchange.com/landing/r/digest?cta=user&id=415615 Score of 6

answered by kabenyuk https://tex.stackexchange.com/landing/r/digest?cta=user&id=204924 Score of 5

11.70.1.7 `\mapsto` as a subscript

https://tex.stackexchange.com/landing/r/digest?cta=question&id=752598

The code 
\documentclass{article} 
\begin{document} 
$x_\mapsto$ 
\end{document} 
results in the following: 
Changing x_\mapsto to x_{\mapsto} does what one would probably hope, but I wonder: is this the ... 
[math-mode]
 

asked by Mariano SuA~\[DownExclamation]rez-A~\201lvarez https://tex.stackexchange.com/landing/r/digest?cta=user&id=525 Score of 6

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 9