11.86.1 Top new questions this week

11.86.1.1 Custom 3D line plot in plain tikz and/or luadraw

https://tex.stackexchange.com/landing/r/digest?cta=question&id=757325

Disclaimer 
This question is a bit of "do it for me" but there is a histrory behind it, see this question. 
User Jasper offered me a solution without using pgfplots. 
I plan to add a bounty as ... 
[tikz-pgf] [pgfplots] [3d] [luadraw]
 

asked by Dr. Manuel Kuehner https://tex.stackexchange.com/landing/r/digest?cta=user&id=14649 Score of 15

answered by nidarfp https://tex.stackexchange.com/landing/r/digest?cta=user&id=406312 Score of 13

11.86.1.2 \prime \dprime \tprime (not so much) \qprime (looks good) STIX TWO

https://tex.stackexchange.com/landing/r/digest?cta=question&id=757371

The motivation 
Pfaff, Johann Friedrich: Methodus generalis, aequationes differentiarum partialium, nec non aequationes differentiales vulgares, utrasque primi ordinis inter quotcunque variabiles, ... 
[fonts] [superscripts] [math-fonts] [stix2]
 

asked by Steven Thomas Hatton https://tex.stackexchange.com/landing/r/digest?cta=user&id=231461 Score of 11

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

11.86.1.3 Why cannot \par be printed here?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=757366

I ask this question only out of curiousity's sake. I am not actually planning on defining a new command called \cmd because the usual \cs macro has superior syntax. (\cmd<command name, including ... 
[macros]
 

asked by User23456234 https://tex.stackexchange.com/landing/r/digest?cta=user&id=278534 Score of 9

answered by cfr https://tex.stackexchange.com/landing/r/digest?cta=user&id=39222 Score of 9

11.86.1.4 Booktabs cmidrule creates unwanted vertical space

https://tex.stackexchange.com/landing/r/digest?cta=question&id=757428

I am making the following table using LaTeX. One way to do it is to make a separate row for the "Top Header" header. However, this results in space below that header and the "sub ... 
[tables] [booktabs] [vertical-spacing]
 

asked by profj https://tex.stackexchange.com/landing/r/digest?cta=user&id=8078 Score of 8

answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 Score of 10

11.86.1.5 Graph of a projection function

https://tex.stackexchange.com/landing/r/digest?cta=question&id=757434

I have the following code, but I cana^\200\231t manage to replicate the figure shown in the attached image. Could you help me with the code and provide the figure? Thank you very much. 
\documentclass[12pt]{... 
[tikz-pgf] [tikz-arrows] [tikz-cd]
 

asked by Octavius https://tex.stackexchange.com/landing/r/digest?cta=user&id=286293 Score of 8

answered by nidarfp https://tex.stackexchange.com/landing/r/digest?cta=user&id=406312 Score of 8

11.86.1.6 Combine numbers from custom commands into a range

https://tex.stackexchange.com/landing/r/digest?cta=question&id=757318

Ia^\200\231m defining datas in LaTeX with a custom command that stores both a label and a number: 
\documentclass{article} 
\usepackage{parskip} 
\newcommand{\data}[3]{% 
\expandafter\newcommand\csname #1\... 
[macros] [expandafter] [newdocumentcommand]
 

asked by taiwan12 https://tex.stackexchange.com/landing/r/digest?cta=user&id=235794 Score of 8

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 6

11.86.1.7 How to create Tikz figure with surface and its shadow, as shown in image

https://tex.stackexchange.com/landing/r/digest?cta=question&id=757334

I wish to make this figure with Tikz. I have tried but I can't make as in figure. Can you please assist me? 
\documentclass[tikz,border=10pt]{standalone} 
\usepackage{tikz} 
\usetikzlibrary{arrows.meta,... 
[tikz-pgf] [pgfplots]
 

asked by Latexfan https://tex.stackexchange.com/landing/r/digest?cta=user&id=103393 Score of 7

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