6.59.2 Greatest hits from previous weeks

6.59.2.1 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 264 votes

answered by lockstep https://tex.stackexchange.com/landing/r/digest?cta=user&id=510 411 votes

6.59.2.2 How can I get bold math symbols?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=595

To make Latin-letter variables bold I can use e.g. \mathbf{a}, but while putting Greek letters or symbols such as \nabla inside \mathbf doesn't cause any errors or warnings, it also doesn't do ... 
[fonts] [math-mode] [symbols] [bold]
 

asked by Michael Underwood https://tex.stackexchange.com/landing/r/digest?cta=user&id=32 477 votes

answered by Mark Meckes https://tex.stackexchange.com/landing/r/digest?cta=user&id=206 414 votes

6.59.2.3 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 225 votes

answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 222 votes

6.59.2.4 How to write two dot above a letter?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=152951

the two dots above a letter represents two derivative of varible t. 
My method: 
\documentclass[UTF8]{ctexart} 
\usepackage{amsmath} 
\usepackage{amssymb} 
\usepackage{graphicx} 
\usepackage{epstopdf} 
\... 
[math-mode] [accents]
 

asked by mma https://tex.stackexchange.com/landing/r/digest?cta=user&id=43727 102 votes

6.59.2.5 Command for argmin or argmax?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=5223

How can you get the argmin or argmax in Latex? Two solutions I found are: 
\underset{x}{\operatorname{argmax}} 
\DeclareMathOperator*{\argmin}{arg\,min} 
Any other ideas? 
[1]http://www.breakthru.... 
[math-mode] [symbols] [math-operators]
 

asked by Alejandro https://tex.stackexchange.com/landing/r/digest?cta=user&id=1128 233 votes

answered by Jan Hlavacek https://tex.stackexchange.com/landing/r/digest?cta=user&id=396 243 votes

6.59.2.6 How to write a function (piecewise) with bracket outside?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=32140

How to write this Piecewise function using LaTeX? 
I tried 
$ 
\begin{array}{cc} 
\{ & 
\begin{array}{cc} 
0 & x\leq 0 \\ 
\frac{100-x}{100} & 0\leq x\leq 100 \\ 
0 & ... 
[math-mode] [equations] [brackets]
 

asked by GarouDan https://tex.stackexchange.com/landing/r/digest?cta=user&id=5314 160 votes

answered by Ant https://tex.stackexchange.com/landing/r/digest?cta=user&id=6984 202 votes

6.59.2.7 How to add indentation

https://tex.stackexchange.com/landing/r/digest?cta=question&id=45501

I am writing a thesis report using LaTeX and I need to add indentations because every new paragraph starts from the initial position on the left. 
How do I add indentations? 
[spacing] [indentation]
                                                                                  

                                                                                  
 

asked by pavani https://tex.stackexchange.com/landing/r/digest?cta=user&id=9327 102 votes

answered by Frank Mittelbach https://tex.stackexchange.com/landing/r/digest?cta=user&id=10109 69 votes