10.53.2 Greatest hits from previous weeks

10.53.2.1 Real number symbol (UTF-8: a^\204\235) in XeTeX

https://tex.stackexchange.com/landing/r/digest?cta=question&id=104274

How can I get the 'real number' sign (something like \mathbb{R} with the amssymb package in LaTeX) in XeTeX? 
[math-mode] [xetex] [symbols] [amsmath] [plain-tex]
 

asked by lvaneesbeeck https://tex.stackexchange.com/landing/r/digest?cta=user&id=24686 Score of 176

answered by lvaneesbeeck https://tex.stackexchange.com/landing/r/digest?cta=user&id=24686 Score of 11

10.53.2.2 Scale image to page width?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=39147

I use 
\inclugraphics[scale=TRYING TO GUESS THE NUMBER FOR PAGE WIDTH]{...} 
but I find this errorsome, is there some ready flag to set the image to page width? I usually use PNG and JPG photos. 
[graphics] [scaling]
 

asked by hhh https://tex.stackexchange.com/landing/r/digest?cta=user&id=2956 Score of 297

answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 Score of 281

10.53.2.3 Using \footnote in a figure's \caption

https://tex.stackexchange.com/landing/r/digest?cta=question&id=10181

Maybe this is an easy one, but I struggled with this now too long :) 
I want to have a footnote in a caption of a figure, see the example. 
\begin{figure}[!ht] 
\caption{a figure caption\footnote{... 
[floats] [footnotes] [captions]
 

asked by Matten https://tex.stackexchange.com/landing/r/digest?cta=user&id=1125 Score of 330

answered by Dee https://tex.stackexchange.com/landing/r/digest?cta=user&id=16059 Score of 243

10.53.2.4 How to create fixed width table columns with text raggedright/centered/raggedleft?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=12703

I would like to create a table with some columns' width specified, while the text in those columns should be centered both horizontally and vertically. I found out that 
\usepackage{array} 
\begin{... 
[tables] [horizontal-alignment] [width]
 

asked by Covi https://tex.stackexchange.com/landing/r/digest?cta=user&id=3970 Score of 317

answered by lockstep https://tex.stackexchange.com/landing/r/digest?cta=user&id=510 Score of 481

10.53.2.5 How do I put text over symbols?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=74125

This is difficult for me to explain, but how do I put words over a symbol? For instance, I want to add words over an equal sign. Anyone know the command/syntax for that? 
Also adding ^ doesn't cut it..... 
[syntax]
 

asked by Lemon https://tex.stackexchange.com/landing/r/digest?cta=user&id=10554 Score of 167

answered by Gonzalo Medina https://tex.stackexchange.com/landing/r/digest?cta=user&id=3954 Score of 130

10.53.2.6 The \bar and \overline commands

https://tex.stackexchange.com/landing/r/digest?cta=question&id=22100

I want to represent, say, the closure of a set or the extended reals, e.g., $\bar{\mathbb{R}}$ but unfortunately this creates a bar that is much too small (horizontally) and can barely be seen. On the ... 
[stacking-symbols]
 

asked by 3Sphere https://tex.stackexchange.com/landing/r/digest?cta=user&id=6487 Score of 193

answered by Danie Els https://tex.stackexchange.com/landing/r/digest?cta=user&id=1683 Score of 106

10.53.2.7 Align equation left

https://tex.stackexchange.com/landing/r/digest?cta=question&id=145657

Here is my split equation: 
\documentclass{article} 
\usepackage{amsmath} 
\begin{document} 
\begin{equation} 
\begin{split} 
a_{ijk} =& \frac {Pr(M_{I} =2  \&  M_J=1 \& M_K =1 | I=i , J=j , K=... 
[equations] [align]
 

asked by user35571 https://tex.stackexchange.com/landing/r/digest?cta=user&id=35571 Score of 131

answered by Ludovic C. https://tex.stackexchange.com/landing/r/digest?cta=user&id=31058 Score of 126