8.29.1 Top new questions this week

8.29.1.1 When to use which alignment environment?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=642412

There seem to be a whopping align, aligned, alignedat, alignat, xalignat, xxalignat and falign in amsmath / mathtools - some also in there starred version. 
I just find sloppy statements like: 
"... 
[align] [amsmath] [mathtools] [alignat]
 

asked by Suuuehgi https://tex.stackexchange.com/landing/r/digest?cta=user&id=37806 Score of 11

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 6

8.29.1.2 How can I assign a math code to a symbol from a non-math font?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=642916

I want to use phoenician letters (unicode range 0x10900 to 0x1091F) as variable names. (If your browser font supports them, these are the characters: eth\220\[Currency]\202,eth\220\[Currency]\201,eth\220\[Currency]\200, and so on.) 
I am using LuaTeX with ... 
[luatex] [unicode] [math-fonts]
 

asked by Betta George https://tex.stackexchange.com/landing/r/digest?cta=user&id=207155 Score of 7

answered by Marcel KrA~\274ger https://tex.stackexchange.com/landing/r/digest?cta=user&id=80496 Score of 5

8.29.1.3 Using Chinese in a table

https://tex.stackexchange.com/landing/r/digest?cta=question&id=642489

When entering Chinese in a table, despite trying to limit the column size with p{5cm}, the phrase isn't going to the line below. 
\documentclass{article} 
\usepackage{fontspec} 
\usepackage{array} 
\... 
[tables] [line] [chinese]
 

asked by Camille https://tex.stackexchange.com/landing/r/digest?cta=user&id=269438 Score of 7

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

8.29.1.4 conflict between siunitx and unicode-math (greek letter unit)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=642807

In optics, the "dioptre" unit's symbol is I^\264 (lowercase delta). As long as I don't use unicode-math, the following code gives the expected result, but with it, the unit is missing in the ... 
[siunitx] [unicode-math] [optical]
 

asked by Miyase https://tex.stackexchange.com/landing/r/digest?cta=user&id=267211 Score of 7

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

8.29.1.5 Best method to animate a step by step state space diagram construction in TikZ

https://tex.stackexchange.com/landing/r/digest?cta=question&id=642435

Introduction 
A long time ago I started learning how to use TikZ and I created some not very well made diagrams. One of those diagrams is a state space representation of linear dynamical systems. When ... 
[tikz-pgf] [diagrams] [animate]
 

asked by FHZ https://tex.stackexchange.com/landing/r/digest?cta=user&id=140133 Score of 7

answered by AlexG https://tex.stackexchange.com/landing/r/digest?cta=user&id=1053 Score of 7

8.29.1.6 Modify This Tikzpicture

https://tex.stackexchange.com/landing/r/digest?cta=question&id=642759

I am trying to create a tikz image as follows: 
Its 
\documentclass[border=1cm]{standalone} 
\usepackage[dvipsnames]{xcolor} 
\usepackage{newtxtext} 
\usepackage{tikz} 
\usetikzlibrary{decorations.text, ... 
[tikz-pgf] [tikz-styles]
 

asked by Daniel James https://tex.stackexchange.com/landing/r/digest?cta=user&id=104402 Score of 6

answered by SebGlav https://tex.stackexchange.com/landing/r/digest?cta=user&id=204164 Score of 8

8.29.1.7 Typeset sudoku grid using tabular syntax

https://tex.stackexchange.com/landing/r/digest?cta=question&id=642891

This is a sort-of follow-up to the question Create environment whose contents are passed to TikZ matrix, which did not reveal any solution to the specific question (but did make me aware of another ... 
[tikz-matrix] [nicematrix] [tabularray] [sudoku]
 

asked by rbrignall https://tex.stackexchange.com/landing/r/digest?cta=user&id=96966 Score of 5

answered by F. Pantigny https://tex.stackexchange.com/landing/r/digest?cta=user&id=163000 Score of 5