7.50.1 Top new questions this week

7.50.1.1 I encountered the following problems when using foreach:

https://tex.stackexchange.com/landing/r/digest?cta=question&id=610368

\documentclass{standalone} 
\usepackage{tikz} 
\begin{document} 
\begin{tikzpicture} 
\foreach \x in{0,0.1,...,0.5}{ 
\node[] at (20*\x,0) {\x}; 
} 
\end{tikzpicture} 
\end{document} 
... 
[tikz-pgf] [foreach] [calculations]
 

asked by e`\212\222ae\236\234a",\215c,\233\262https://tex.stackexchange.com/landing/r/digest?cta=user&id=248678 9 votes

answered by frougon https://tex.stackexchange.com/landing/r/digest?cta=user&id=73317 7 votes

7.50.1.2 Switching algebra

https://tex.stackexchange.com/landing/r/digest?cta=question&id=610463

This is one for the expansion gurus. I'm trying to use switching algebra to show a colleague that you can do that in LaTeX. I would like to use parentheses because it resembles normal function calls (... 
[expansion]
 

asked by Jesse op den Brouw https://tex.stackexchange.com/landing/r/digest?cta=user&id=159794 8 votes

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 7 votes

7.50.1.3 \mathopen<size><bracket> vs. \mathopen <size><bracket>

https://tex.stackexchange.com/landing/r/digest?cta=question&id=610706

If we look at the definitions of \bigl and \bigr, we find 
\def\bigl{\mathopen\big} 
\def\bigr{\mathclose\big} 
In other words, \bigl<bracket> is equivalent to \mathopen\big<bracket>. 
And ... 
[brackets] [scaling] [mathtools]
 

asked by Gaussler https://tex.stackexchange.com/landing/r/digest?cta=user&id=19809 7 votes

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 5 votes

7.50.1.4 How to plot vector field of a function with tikz?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=610252

How can I draw a vector field of a function with tikz? 
For example f(x,y) = 4x2 + y2 - 5 
[tikz-pgf] [xetex] [plot]
 

asked by Huhu https://tex.stackexchange.com/landing/r/digest?cta=user&id=248835 7 votes

answered by Juan CastaA~+-o https://tex.stackexchange.com/landing/r/digest?cta=user&id=231368 11 votes

7.50.1.5 siunitx deprecated angstrA~\[Paragraph]m unit

https://tex.stackexchange.com/landing/r/digest?cta=question&id=610292

I have just received an error when using the siunitx package that the angstrA~\[Paragraph]m length unit has been deprecated. Since when? and more importantly WHY? 
Has anyone seen this error? Now in order to use ... 
[siunitx]
 

asked by lucian https://tex.stackexchange.com/landing/r/digest?cta=user&id=47469 7 votes

answered by Joseph Wright https://tex.stackexchange.com/landing/r/digest?cta=user&id=73 7 votes

7.50.1.6 Split string into part by char position

https://tex.stackexchange.com/landing/r/digest?cta=question&id=610910

Explanations 
I format a moroccan RIB (RelevA~(c) da^\200\231identitA~(c) bancaire for 'Bank account number') to display it as a nice rendering. I need to take each part of the RIB to embrace it with a specific label. 
... 
[strings] [parsing]
                                                                                  

                                                                                  
 

asked by fauve https://tex.stackexchange.com/landing/r/digest?cta=user&id=30933 6 votes

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 6 votes

7.50.1.7 Rescaling environment

https://tex.stackexchange.com/landing/r/digest?cta=question&id=610846

%%%%%%%%%%%%%%%%%%%%% 
\cprotect\subsubsection{\verb|I'm creating a crossword puzzle using the cwpuzzle package|} 
\url{http://www.gerd-neugebauer.de/software/TeX/cwpuzzle/en/} 
 
\begin{TEXTWinline} 
I need the solution to be displayed in a much smaller format (say, 50% the ... 
[environments] [scaling] [puzzle]
 

asked by Maiaux https://tex.stackexchange.com/landing/r/digest?cta=user&id=176343 5 votes

answered by Steven B. Segletes https://tex.stackexchange.com/landing/r/digest?cta=user&id=25858 4 votes