9.83.1 Top new questions this week

9.83.1.1 Infinite size nicematrix

https://tex.stackexchange.com/landing/r/digest?cta=question&id=705069

I am trying to write a nicematrix version of this tridiagonal (infinite size) matrix, as the pmatrix environment renders a very ugly version 
\begin{equation} 
\begin{pmatrix} 
-\lambda & \lambda ... 
[nicematrix]
 

asked by 20-sided-dice https://tex.stackexchange.com/landing/r/digest?cta=user&id=308999 Score of 7

answered by Sandy G https://tex.stackexchange.com/landing/r/digest?cta=user&id=125871 Score of 6

9.83.1.2 How to match fonts between LaTeX math mode and a figure generated in Python?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=704956

I'm trying to create a figure in Python whose text matches (at least closely) Latex's math mode font. However, I'm not finding any information online that gives results close to the desired font, ... 
[fonts]
 

asked by Ryan White https://tex.stackexchange.com/landing/r/digest?cta=user&id=310892 Score of 6

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

9.83.1.3 Remove page number, if there is only one page in a section

https://tex.stackexchange.com/landing/r/digest?cta=question&id=705201

In my current project, I want to create worksheets that I can print out and distribute. To do this, I want to reset the page number for each worksheet, but only display the page number if the ... 
[header-footer] [page-numbering] [conditionals] [fancyhdr]
 

asked by Jim Ye https://tex.stackexchange.com/landing/r/digest?cta=user&id=208634 Score of 5

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 2

9.83.1.4 Fitting a tikz graph to a ZY plane canvas

https://tex.stackexchange.com/landing/r/digest?cta=question&id=704922

I learned how to draw things in the ZY plane, but I didn't fully understand how it works. Below is my code: 
\documentclass{standalone} 
\usepackage{tikzducks} 
\usetikzlibrary{3d,graphs,graphdrawing} 
\... 
[tikz-pgf] [3d]
 

asked by Tianjian Qin https://tex.stackexchange.com/landing/r/digest?cta=user&id=298534 Score of 5

answered by J Leon V. https://tex.stackexchange.com/landing/r/digest?cta=user&id=154390 Score of 5

9.83.1.5 Draw planes in 3D using tikz

https://tex.stackexchange.com/landing/r/digest?cta=question&id=704879

I want to draw a series of planes in 3D, just like a picture in tikz-ducks documentation: 
I thought it might be easy but I was stuck at drawing the planes in 3D. My own code: 
\documentclass{... 
[tikz-pgf] [3d]
 

asked by Tianjian Qin https://tex.stackexchange.com/landing/r/digest?cta=user&id=298534 Score of 5

answered by samcarter_is_at_topanswers.xyz https://tex.stackexchange.com/landing/r/digest?cta=user&id=36296 Score of 4

9.83.1.6 Using numbers from new commands in ifnum

https://tex.stackexchange.com/landing/r/digest?cta=question&id=705224

I am trying to create a Latex document in which I define a list of items (e.g. fruits) at the beginning in order to change the resulting text / appearance of the document depending of the amount of ... 
[conditionals]
 

asked by Lennart https://tex.stackexchange.com/landing/r/digest?cta=user&id=310995 Score of 4

answered by Skillmon https://tex.stackexchange.com/landing/r/digest?cta=user&id=117050 Score of 7

9.83.1.7 Adding arrows between two forests

https://tex.stackexchange.com/landing/r/digest?cta=question&id=705120

Here's my code: 
\documentclass[french, 12pt]{report} 
\usepackage[T1]{fontenc} 
\usepackage[utf8]{inputenc} 
\usepackage{lmodern} 
\usepackage[a4paper]{geometry} 
\usepackage{graphicx} % Required for ... 
[arrows] [forest]
 

asked by Caro https://tex.stackexchange.com/landing/r/digest?cta=user&id=311029 Score of 4