3.37.3 Can you answer these questions?

3.37.3.1 Separate colorbar for 2x2 plotgroup consisting out of subfigures
3.37.3.2 What's wrong with my PDFs?
3.37.3.3 Scale Standalone tikzpicture but retain text font size

Can you answer these?

3.37.3.1 Separate colorbar for 2x2 plotgroup consisting out of subfigures

https://tex.stackexchange.com/questions/396128/separate-colorbar-for-2x2-plotgroup-consisting-out-of-subfigures

I export several plots from matlab to tikz using matlab2tikz. Many of them use colors and can often be grouped. It seems however difficult to include a single colorbar in matlab for a group of  ...
 
- asked by TwoThirds 2votes
3.37.3.2 What's wrong with my PDFs?

https://tex.stackexchange.com/questions/396860/whats-wrong-with-my-pdfs

I'm generating PDFs (like this for example) using LaTeX, and suddenly code that has worked for years is generating PDFs that either fail to display or crash normal PDF readers (even PDF Expert). 
The  ...
                                                                                  

                                                                                  
 
- asked by orome 1vote
3.37.3.3 Scale Standalone tikzpicture but retain text font size

https://tex.stackexchange.com/questions/396902/scale-standalone-tikzpicture-but-retain-text-font-size

I have a standalone standalone_tikzpicture.tex file, 
\documentclass{standalone} 
\usepackage{tikz} 
\usetikzlibrary{arrows.meta,shapes,arrows,positioning,calc} 
\begin{document} 
\begin{tikzpicture}[ 
...
 
- asked by Govinda 1vote