8.56.1 Top new questions this week

8.56.1.1 How to make these four symbols in Latex?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=655492

How to input these symbols in Latex? 
[symbols]
 

asked by ZZP https://tex.stackexchange.com/landing/r/digest?cta=user&id=279068 Score of 11

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 29

8.56.1.2 Why are the zero stretch and shrink in the definition of \z@skip explicit?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=655561

Why do both The TeXbook and latex.ltx define \z@skip=0pt plus0pt minus0pt?  Wouldn't \z@skip=0pt or perhaps \z@skip=0pt\relax be shorter and yield the same?   I always thought that the stretch and ... 
[glue]
 

asked by GeekestGeek https://tex.stackexchange.com/landing/r/digest?cta=user&id=224332 Score of 10

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 11

8.56.1.3 Why is the lineskip different when setting the font size in a node?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=655233

I want to change the font size of text in a node. Ideally finally I have multiple font sizes in a node. However when trying to change the font size in the node, I get unexpected different line ... 
[tikz-pgf] [fontsize]
                                                                                  

                                                                                  
 

asked by TobiBS https://tex.stackexchange.com/landing/r/digest?cta=user&id=156791 Score of 8

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 8

8.56.1.4 equation vertical alignment in tabular, baseline is too low

https://tex.stackexchange.com/landing/r/digest?cta=question&id=655736

I want to know how to precisely configure the vertical alignment of equations in tabular, for example, \arraystretch can increase the height but cannot make equations vertically centered, their ... 
[tables] [equations] [align] [vertical-alignment] [amsmath]
 

asked by Firestar-Reimu https://tex.stackexchange.com/landing/r/digest?cta=user&id=231103 Score of 7

answered by Zarko https://tex.stackexchange.com/landing/r/digest?cta=user&id=18189 Score of 6

8.56.1.5 Plot intersection point of two curves

https://tex.stackexchange.com/landing/r/digest?cta=question&id=655189

I am plotting the following filled area 
\documentclass{scrartcl} 
\usepackage[usenames,dvipsnames]{xcolor} 
\usepackage{tikz} 
\usepackage{pgfplots} 
\pgfplotsset{compat=1.17} 
\usepgfplotslibrary{... 
[tikz-pgf]
 

asked by Squeezelemma https://tex.stackexchange.com/landing/r/digest?cta=user&id=78700 Score of 7

answered by hpekristiansen https://tex.stackexchange.com/landing/r/digest?cta=user&id=8650 Score of 9

8.56.1.6 How can I type a matrix like this?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=655682

I am trying to type this matrix like this 
I tried 
\documentclass{article} 
\usepackage{amsmath} 
\usepackage{fouriernc} 
\begin{document} 
\[ 
\left( {\left| {\begin{array}{*{2}c} 
{a_2 ... 
[matrices] [arrays]
 

asked by John Paul Peter https://tex.stackexchange.com/landing/r/digest?cta=user&id=250010 Score of 6

answered by Teepeemm https://tex.stackexchange.com/landing/r/digest?cta=user&id=107497 Score of 12

8.56.1.7 How to produce PDF/A and PDF/X in 2022?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=655521

As many of us know, there exists a package, called pdfx, originally codeveloped by HA~ n Tha'\272\[DownQuestion] ThA~ nh, which is supposed to be able to produce PDFs satisfying the PDF/X or PDF/A standards. However, it has ... 
[pdfx] [pdf-a]
 

asked by Gaussler https://tex.stackexchange.com/landing/r/digest?cta=user&id=19809 Score of 6

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