11.35.1 Top new questions this week

11.35.1.1 Should \mathop f (x) be used instead of f(x)?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=745341

This question probably pertains to taste just as much as to LaTeX best practices. 
When typesetting a simple function application, should mathop be used to reduce the space between the function and the ... 
[math-mode] [spacing] [typography] [math-operators]
 

asked by JMC https://tex.stackexchange.com/landing/r/digest?cta=user&id=254371 Score of 8

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 10

11.35.1.2 TikZ package coding

https://tex.stackexchange.com/landing/r/digest?cta=question&id=745302

I'm trying to use the TikZ package to construct the picture above. I have the following code, but I keep receiving error messages. 
\documentclass{article} 
\usepackage{float} 
\usepackage{tikz} 
\... 
[tikz-pgf]
 

asked by Chesso https://tex.stackexchange.com/landing/r/digest?cta=user&id=399258 Score of 7

answered by CarLaTeX https://tex.stackexchange.com/landing/r/digest?cta=user&id=101651 Score of 6

11.35.1.3 How can I accurately compute the cross product of two vectors whose coordinates are rational numbers?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=745211

I use this code to calculate the cross product of two vectors whose coordinates are integers. 
\documentclass{article} 
\usepackage{pgf} 
\usepackage{amsmath, nicematrix} 
\usepackage{esvect} 
\... 
[tikz-pgf] [calculations]
 

asked by TTTT2025 https://tex.stackexchange.com/landing/r/digest?cta=user&id=398925 Score of 7

answered by minthao_2011 https://tex.stackexchange.com/landing/r/digest?cta=user&id=18545 Score of 10

11.35.1.4 linear transformation of letter in MetaPost

https://tex.stackexchange.com/landing/r/digest?cta=question&id=745281

In TikZ, it is possible to perform linear transformations on letters using transform shape. 
I seek the ability to perform linear transformations on letters in MetaPost. 
% mwe.tex 
\ctxloadluafile{mwe.... 
[context] [metapost] [lua]
 

asked by Jasper https://tex.stackexchange.com/landing/r/digest?cta=user&id=319072 Score of 6

answered by mickep https://tex.stackexchange.com/landing/r/digest?cta=user&id=52406 Score of 13

11.35.1.5 How to place NiceMatrix on multiple lines

https://tex.stackexchange.com/landing/r/digest?cta=question&id=745261

I am new to using nicematrix and need to align equations of matrices. I thought that using the align environnement from amsmath would do the trick, but with this example 
\documentclass{standalone} 
\... 
[align] [standalone] [nicematrix]
 

asked by Dumbo https://tex.stackexchange.com/landing/r/digest?cta=user&id=399112 Score of 6

answered by kabenyuk https://tex.stackexchange.com/landing/r/digest?cta=user&id=204924 Score of 6

11.35.1.6 Definition of "fonts.handlers.otf.features.normalize"

https://tex.stackexchange.com/landing/r/digest?cta=question&id=745176

Consider the following plain LuaTeX example: 
\input luaotfload.sty 
\directlua{ 
fonts.handlers.otf.addfeature { 
name = "test", 
type = "kern", 
data = { [&... 
[luatex] [luaotfload] [font-features]
 

asked by Math Is Fun https://tex.stackexchange.com/landing/r/digest?cta=user&id=337888 Score of 6

answered by Max Chernoff https://tex.stackexchange.com/landing/r/digest?cta=user&id=270600 Score of 8

11.35.1.7 Wrong protrusion with microtype and ltxdoc

https://tex.stackexchange.com/landing/r/digest?cta=question&id=745157

Why does microtype give wrong protrusion here? At least it looks wrong. Commenting out microtype, the second row is shifted to the right and we have alignment again. 
\DocumentMetadata{lang=en-UK} 
\... 
[microtype] [typewriter] [protrusion] [ltxdoc]
 

asked by Gargantuar https://tex.stackexchange.com/landing/r/digest?cta=user&id=172890 Score of 5

answered by kabenyuk https://tex.stackexchange.com/landing/r/digest?cta=user&id=204924 Score of 2