6.9.1 Top new questions this week

6.9.1.1 Ugly matrices to fix

https://tex.stackexchange.com/landing/r/digest?cta=question&id=532283

I'm having difficulties in setting four square matrices, one on top of each other.  They need to have the same size, i.e the same width for aesthetical reasons.  Currently,they are very ugly, as shown  ... 
[math-mode] [spacing] [horizontal-alignment] [amsmath] [matrices]
 

asked by Cham https://tex.stackexchange.com/landing/r/digest?cta=user&id=139556 9 votes

answered by F. Pantigny https://tex.stackexchange.com/landing/r/digest?cta=user&id=163000 9 votes

6.9.1.2 How can one denote vectors using a squiggly line beneath them in LaTeX?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=531991

I know that LaTeX has the \vec{} command to denote vectors with an arrow above them, but I was taught to denote vectors using a squiggly line beneath them. Is it possible to denote vectors like this  ... 
[vector]
 

asked by BH2017 https://tex.stackexchange.com/landing/r/digest?cta=user&id=22398 9 votes

answered by DG' https://tex.stackexchange.com/landing/r/digest?cta=user&id=29873 12 votes

6.9.1.3 Shortest code to make INITEX produce printable output

https://tex.stackexchange.com/landing/r/digest?cta=question&id=531948

What is the shortest sequence of characters that will lead to a printable page of output when processed by INITEX? Meaning no formats like plain.tex preloaded, and with output of positive width and  ... 
[tex-core]
 

asked by wave https://tex.stackexchange.com/landing/r/digest?cta=user&id=208733 9 votes

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

6.9.1.4 Looking for symbol made of four quote marks in a square

https://tex.stackexchange.com/landing/r/digest?cta=question&id=531600

I am looking for this symbol appearing in the original print of Gauss' doctoral dissertation: 
Any suggestions - either for where to find it, or how to "create" it through other ways? I have already  ... 
[symbols]
 

asked by user6530 https://tex.stackexchange.com/landing/r/digest?cta=user&id=204211 9 votes

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 13 votes

6.9.1.5 Make a triangle from a orthic triangle

https://tex.stackexchange.com/landing/r/digest?cta=question&id=532287

\documentclass[margin=10pt]{standalone} 
\usepackage{tkz-euclide} 
\usepackage{pst-eucl} 
\usetkzobj{all} 
\usetikzlibrary{calc} 
\begin{document} 
\begin{tikzpicture} 
\pgfmathsetmacro{\a}{350/100*2/3} % BC 
... 
[graphics] [geometry]
 

asked by user165013 https://tex.stackexchange.com/landing/r/digest?cta=user&id=59284 7 votes

answered by SchrA~\[Paragraph]dinger's cat https://tex.stackexchange.com/landing/r/digest?cta=user&id=194703 6 votes

6.9.1.6 Align in chemistry

https://tex.stackexchange.com/landing/r/digest?cta=question&id=531660

Is there any way to align link this?(+ and <=> in the middle) 
I used this code. 
% !TEX program = xelatex 
\documentclass[a4paper,12pt]{article} 
\usepackage{polyglossia} 
\usepackage{amsmath} 
... 
[align] [mhchem]
 

asked by Soyeb Jim https://tex.stackexchange.com/landing/r/digest?cta=user&id=208029 7 votes

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 7 votes

6.9.1.7 EBGaramond lining numbers for headings in KOMAScript

https://tex.stackexchange.com/landing/r/digest?cta=question&id=532207

I'm using KOMA-Script with pdflatex (might want to switch to lualatex eventually) to typeset my thesis and want to use EBGaramond as a font. To this end I am loading the ebgaramond-maths package,  ... 
[fonts] [koma-script] [ebgaramond]
 

asked by Philipp Stephan https://tex.stackexchange.com/landing/r/digest?cta=user&id=21731 6 votes

answered by Ulrike Fischer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2388 9 votes