5.10.1 Top new questions this week

5.10.1.1 Strange behavior in TikZ \draw command

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=480268

I was trying to replicate the figure in Box half filled color using TikZ. 
I draw a rectangle from (0,0) to (4,3). 
I locate two points (0,1) as A and (4,2) as B. 
When I connect the points A and B, I  ... 
[tikz-pgf]
 

asked by subham soni https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=41885 12 votes

answered by JouleV https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=156344 17 votes

5.10.1.2 TikZ-decoration: control decoration amplitude along curve

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=479915

Working with path decorations based on this solution provided by marmot I am searching for a possibility to change the decorations amplitude along the graph. 
Having this plot 
applying the  ... 
[tikz-pgf] [decorations] [tikz-decorations]
 

asked by AndiW https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=118739 12 votes

answered by marmot https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=121799 13 votes

5.10.1.3 Typing CO_2 easily

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=480391

I'm writing my dissertation and that involves typing a lot of $\mathrm{CO_2}$. I'd like to make a macro for it that's a lot easier to type, but if I put \newcommand{\co2}{\mathrm{CO_2}}, for example,  ... 
[chemistry]
 

asked by Hayley https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=183852 11 votes

answered by Sandy G https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=125871 11 votes

5.10.1.4 How to write Quadratic equation with negative coefficient

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=480444

How to write Quadratic equation with negative coefficient in fp 
For a=1, b=-5, c= 6, $\ca x^2+\cb x + \cc=0$ gives 1x^2 + -5x + 6 
But i want to have x^2  -5x + 6 
\documentclass{beamer} 
... 
[fp]
 

asked by sandu https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=12135 11 votes

answered by egreg https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=4427 9 votes

5.10.1.5 What is the least resource intensive way to generate the luatex font cache for a new font?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=479744

When a font is first used with lualatex, luaotfload does some magic to produce font cache files. 
For large fonts (e.g., Noto Sans CJK) this can take a lot of time and a lot of memory. 
I have an old  ... 
[fonts] [luatex] [fontspec] [luaotfload]
 

asked by David Purton https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=87678 10 votes

answered by Henri Menke https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=10995 10 votes

5.10.1.6 Change the color of a single dot in `ddot` symbol

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=480644

How can we change any of the two dots of the ddots math symbol? 
I can change both of them: 
\documentclass{article} 
\usepackage{xcolor} 
\begin{document} 
$\color{red}\ddot{\color{black}x}$ 
... 
[math-mode] [formatting] [color]
 

asked by manooooh https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=152550 9 votes

answered by Skillmon https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=117050 12 votes

5.10.1.7 Why does overlay work only on the first tcolorbox?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=479831

I'm trying to create a customized tcolorbox with some TikZ code in the overlay option. 
But it works only the first time I use my new box. What am I doing wrong? 
\documentclass{book} 
... 
[tcolorbox]
 

asked by CarLaTeX https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=101651 9 votes

answered by marmot https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=121799 10 votes