9.27.1 Top new questions this week

9.27.1.1 How to force two figure's and one figure* on the same page in a twocolumn document?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=683716

Consider following MWE 
\documentclass[twocolumn,a5paper]{article} 
\usepackage{graphicx} 
\usepackage{lipsum} 
\usepackage{tikz} 
\usepackage{tikzducks} 
\title{Debug} 
\begin{document} 
\maketitle 
\... 
[graphics] [floats] [positioning] [two-column] [figure-placement]
 

asked by Karlo https://tex.stackexchange.com/landing/r/digest?cta=user&id=36500 Score of 9

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 13

9.27.1.2 Table with weird borders with the booktabs package

https://tex.stackexchange.com/landing/r/digest?cta=question&id=683535

I'd like a table that looks like this in Beamer: 
But the best I can do is this: 
\documentclass{beamer} 
\usepackage{booktabs} 
\begin{document} 
\frame{ 
\begin{tabular}{|c|c||c|}\cmidrule{2-3}\noalign{\... 
[tables] [booktabs]
 

asked by user338955 https://tex.stackexchange.com/landing/r/digest?cta=user&id=200958 Score of 8

answered by Jasper Habicht https://tex.stackexchange.com/landing/r/digest?cta=user&id=47927 Score of 8

9.27.1.3 How do I add an arrow from one equation to another

https://tex.stackexchange.com/landing/r/digest?cta=question&id=683616

I want to have something like this in LaTeX but I don't know how to add the labled arrow: 
So the code I have is basically 
\begin{equation} 
\begin{split} 
x^4 &= x \cdot x \cdot x \cdot ... 
[math-mode] [equations] [tikz-arrows]
 

asked by Croover https://tex.stackexchange.com/landing/r/digest?cta=user&id=295538 Score of 7

answered by Jasper Habicht https://tex.stackexchange.com/landing/r/digest?cta=user&id=47927 Score of 8

9.27.1.4 How can I align multiple times in the 'flalign' environment?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=683787

I am following the solution in How to additionally name equations in align environment? to name my own equations. I would now like to align them at the = sign and the text where, but I am not getting ... 
[align]
 

asked by Kong https://tex.stackexchange.com/landing/r/digest?cta=user&id=109408 Score of 6

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 Score of 7

9.27.1.5 What are "family" and "series" in \DeclareMathAlphabet command?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=683731

Regarding the command \DeclareMathAlphabet, looking at this @cfr's answer (the usage), and this webpage (the documentation), I have the following questions: 
1- What are valid values for "family&... 
[fonts]
 

asked by User https://tex.stackexchange.com/landing/r/digest?cta=user&id=78499 Score of 6

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 7

9.27.1.6 How to compile a file with tilde (`~`) in the name?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=683688

I have just discovered with surprise that if a TeX file has a tilde ~ in its name, xelatex and pdflatex refuse to compile it: 
$ cat te\~st.tex 
\documentclass{article} 
\begin{document} 
Hello. 
\end{... 
[pdftex] [xetex] [compiling] [tilde]
 

asked by Alexey https://tex.stackexchange.com/landing/r/digest?cta=user&id=37291 Score of 6

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 8

9.27.1.7 witharrows package reverses text in RTL language?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=683525

I do my homework in Latex, and I recently learned about the witharrows package which allows me to draw arrows between lines explaining what I did there. I find this very helpful for my homework ... 
[polyglossia] [right-to-left] [witharrows]
 

asked by Shai Avr https://tex.stackexchange.com/landing/r/digest?cta=user&id=274542 Score of 6

answered by F. Pantigny https://tex.stackexchange.com/landing/r/digest?cta=user&id=163000 Score of 7