7.75.1 Top new questions this week

7.75.1.1 Modular Transformation in TikZ

https://tex.stackexchange.com/landing/r/digest?cta=question&id=624264

I would like to recreate the following image in tikz, without the d part, where the torus a is up in the middle and the torus b and c are under a to the left and right with the T and S arrows pointing ... 
[tikz-pgf]
 

asked by Oipl909 https://tex.stackexchange.com/landing/r/digest?cta=user&id=257522 9 votes

answered by Thruston https://tex.stackexchange.com/landing/r/digest?cta=user&id=15036 11 votes

7.75.1.2 Inconsistent behaviour of \detokenize on macro beginning with "e" or "f"

https://tex.stackexchange.com/landing/r/digest?cta=question&id=624433

I need to write to a file the unexpanded LaTeX. The macro \OuputToFile is bascially an \immediate\write18 and works fine with the following: 
\OuputToFile{\detokenize{$\OuterMacro{\cXXX{X}}$}}% 
\... 
[shell-escape] [write] [bash]
 

asked by Peter Grill https://tex.stackexchange.com/landing/r/digest?cta=user&id=4301 7 votes

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

7.75.1.3 How to properly align matrices with an overbrace?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=624205

I tried to solve this question by myself and now I'm looking for some help. How can I make the last two matrices parallel with the first matrix? 
Here is my code: 
\documentclass{article} 
\usepackage[... 
[matrices]
                                                                                  

                                                                                  
 

asked by nus https://tex.stackexchange.com/landing/r/digest?cta=user&id=257588 7 votes

answered by Al-Motasem Aldaoudeyeh https://tex.stackexchange.com/landing/r/digest?cta=user&id=136098 6 votes

7.75.1.4 Arcing the center dots between factors to show repeated multiplication

https://tex.stackexchange.com/landing/r/digest?cta=question&id=624533

Consider the center dots to show repeated multiplication: 
\[ 
x \cdot x \cdot x \cdots x. 
\] 
I want to use five dots instead of the three from the \cdots command, and I also want to have them subtly ... 
[symbols] [accents]
 

asked by Ungar Linski https://tex.stackexchange.com/landing/r/digest?cta=user&id=254891 6 votes

answered by Steven B. Segletes https://tex.stackexchange.com/landing/r/digest?cta=user&id=25858 7 votes

7.75.1.5 How do I slant the Computer Modern root symbol?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=624084

Considering this question, actually I not remember as I must straighten square root symbol to have the classic sqrt symbol. I have used (for example), 
\def\mySqrt{\radical"0270373\relax} 
but it ... 
[symbols] [math-operators] [sqrt]
 

asked by Sebastiano https://tex.stackexchange.com/landing/r/digest?cta=user&id=117876 6 votes

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 5 votes

7.75.1.6 How to fix Beamer missing number, treated as zero error in matrix (line 63 at the bottom)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=624180

\documentclass[11pt]{beamer} 
\usetheme{Warsaw} 
\usepackage{amsmath} 
\usepackage{amsfonts} 
\usepackage{graphicx} 
\usepackage[dutch]{babel} 
\author{Goos Aaron} 
\title{\LaTeX : Opdracht 2} 
%\... 
[beamer] [matrices]
 

asked by user257578 https://tex.stackexchange.com/landing/r/digest?cta=user&id=257578 6 votes

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 4 votes

7.75.1.7 Is there a way to use string manipulations to make macro names?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=624654

Bottom line up front:  what is a convenient way to input a particular character string into a \newcommand call so it can be manipulated to create multiple macro names?  In particular, input (say) ABC ... 
[macros] [strings]
 

asked by John McVey https://tex.stackexchange.com/landing/r/digest?cta=user&id=183890 5 votes

answered by gernot https://tex.stackexchange.com/landing/r/digest?cta=user&id=110998 4 votes