6.13.1 Top new questions this week

6.13.1.1 How to test if the product of two numbers are positive as well as finding their absolute values?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=536558

I am trying to simplify my work with some latex coding, where the intention is to generate two types of diagrams based on the input. The first type is diagrams with lines only going up 
and the  ... 
[tikz-pgf] [macros] [ifthenelse]
 

asked by water liu https://tex.stackexchange.com/landing/r/digest?cta=user&id=178123 10 votes

answered by SchrA~\[Paragraph]dinger's cat https://tex.stackexchange.com/landing/r/digest?cta=user&id=194703 10 votes

6.13.1.2 RGB code for predefined colors

https://tex.stackexchange.com/landing/r/digest?cta=question&id=537262

I am using the package xcolor with the option dvipsnames to have access to predefined colors listed in the page : 
The 68 standard colors known to dvips 
I would like to get the RGB codes of all these  ... 
[color]
 

asked by Smilia https://tex.stackexchange.com/landing/r/digest?cta=user&id=110751 7 votes

answered by Ulrike Fischer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2388 14 votes

6.13.1.3 Annotating a binary relation

https://tex.stackexchange.com/landing/r/digest?cta=question&id=537083

I wish to add tilde or hat notation to a binary relation I have created, but the notation will not centre correctly. For example, if I write the following 
$\hat{\mathrel{\mathcal R}}$ 
then the hat  ... 
[math-mode] [relation-symbols]
                                                                                  

                                                                                  
 

asked by user1211719 https://tex.stackexchange.com/landing/r/digest?cta=user&id=43695 7 votes

answered by Steven B. Segletes https://tex.stackexchange.com/landing/r/digest?cta=user&id=25858 7 votes

6.13.1.4 thmtools - Theorem does not change the title when I change the command that defines it

https://tex.stackexchange.com/landing/r/digest?cta=question&id=536865

Here is the example of a code: 
\documentclass[11pt, a4paper]{article} 
\usepackage[utf8]{inputenc} 
\usepackage{amsthm} 
\usepackage{thmtools} 
\newcommand\testTitle{Theorem} 
\declaretheorem[title =  ... 
[amsthm] [thmtools]
 

asked by Zeus DM https://tex.stackexchange.com/landing/r/digest?cta=user&id=182773 7 votes

answered by SchrA~\[Paragraph]dinger's cat https://tex.stackexchange.com/landing/r/digest?cta=user&id=194703 6 votes

6.13.1.5 Why can I say \input something but not \centerline something?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=537538

I am currently reading through the TeXbook (6th printing, March 1986). 
In chapter 6 Knuth explains that \input story can be used to load/process story.tex. 
However, in the preceding chapter the  ... 
[tex-core]
 

asked by 0xC0000022L https://tex.stackexchange.com/landing/r/digest?cta=user&id=3925 6 votes

answered by Phelype Oleinik https://tex.stackexchange.com/landing/r/digest?cta=user&id=134574 9 votes

6.13.1.6 What LaTeX macros cannot accept a group as an argument?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=537227

I am working on a LaTeX pretty printer that parses a LaTeX document and then re-renders the source. (I know that this is not possible in all cases, but it should be possible a lot of the time.) 
In  ... 
[macros] [grouping] [parsing]
 

asked by Jason Siefken https://tex.stackexchange.com/landing/r/digest?cta=user&id=117132 6 votes

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 7 votes

6.13.1.7 Creating an Altered Form of Sierpinski Gasket in Tikz

https://tex.stackexchange.com/landing/r/digest?cta=question&id=537232

I'd like to adapt the example here to create a triangle similar to the Sierpinski gasket: 
How to create a Sierpinski triangle in LaTeX? 
Essentially I'd like to create the altered form of the gasket  ... 
[tikz-pgf] [fractals]
 

asked by Mateyman https://tex.stackexchange.com/landing/r/digest?cta=user&id=211979 6 votes

answered by SchrA~\[Paragraph]dinger's cat https://tex.stackexchange.com/landing/r/digest?cta=user&id=194703 10 votes