7.49.1 Top new questions this week

7.49.1.1 LaTeX Special char

https://tex.stackexchange.com/landing/r/digest?cta=question&id=609884

I need to input a special char: a u with a small e as an accent. In windows I received it as uI'\[Currency] however I am not able to find it not as unicode nor in symbols-a4.pdf file. 
Can someone tell me how to ... 
[pdftex] [symbols]
 

asked by Paul BRINZEI https://tex.stackexchange.com/landing/r/digest?cta=user&id=90310 9 votes

answered by Steven B. Segletes https://tex.stackexchange.com/landing/r/digest?cta=user&id=25858 19 votes

7.49.1.2 Draw perpendicular to TikZ Node

https://tex.stackexchange.com/landing/r/digest?cta=question&id=609940

Often, when drawing block diagrams i want to add an 'input' to a node with a perpendicular line (drawn in red below). 
Is there a way to achieve this in a robust way without using calc, etc.? Ideally i ... 
[tikz-pgf]
 

asked by Marvin Noll https://tex.stackexchange.com/landing/r/digest?cta=user&id=189693 8 votes

answered by frougon https://tex.stackexchange.com/landing/r/digest?cta=user&id=73317 13 votes

7.49.1.3 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 7 votes

answered by frougon https://tex.stackexchange.com/landing/r/digest?cta=user&id=73317 5 votes

7.49.1.4 AC-impedance in circuitikz

https://tex.stackexchange.com/landing/r/digest?cta=question&id=609788

I am looking for the Symbol of a AC-impedance as it is used often in some fields of electrical engineering. It's the symbol of a European resistor with a sinusoidal wave in it as in the picture below. ... 
[circuitikz]
 

asked by DraUX https://tex.stackexchange.com/landing/r/digest?cta=user&id=204627 7 votes

answered by Jasper Habicht https://tex.stackexchange.com/landing/r/digest?cta=user&id=47927 7 votes

7.49.1.5 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

7.49.1.6 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

7.49.1.7 Make \mathrm produce upright greek

https://tex.stackexchange.com/landing/r/digest?cta=question&id=610152

I need to distinguish between italic and upright greek letters. I use the alphabeta package for that. This allows me to write e.g. an upright \mu in mathmode by typing $\text\mu$. Can I extend this in ... 
[math-mode] [greek] [roman]
 

asked by Jan Hajer https://tex.stackexchange.com/landing/r/digest?cta=user&id=22187 6 votes

answered by campa https://tex.stackexchange.com/landing/r/digest?cta=user&id=82917 3 votes