5.2.2 Greatest hits from previous weeks

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

https://tex.stackexchange.com/landing/r/newsletter?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/newsletter?cta=user&id=5314 107 votes

answered by Ant https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=6984 142 votes

5.2.2.2 Write pseudo code in latex

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=163768

I am trying to write pseudo code in my paper. Here is the snippet and image like what I want.  Can some one please help me to format it. 
\begin{algorithm} 
\caption{Euclida^\200\231s algorithm}\label{euclid} 
... 
[algorithms]
 

asked by cyclic https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=47334 97 votes

answered by karlkoeller https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=27635 132 votes

5.2.2.3 How to avoid numbering the first page of the document?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=54333

I have two sections before the table of contents. 
\documentclass{article} 
\usepackage{lipsum} 
\begin{document} 
\thispagestyle{empty} 
\section*{First random title} \lipsum[1] 
\section*{Second random  ... 
[page-numbering]
 

asked by Chris https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=13994 134 votes

answered by Werner https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=5764 137 votes

5.2.2.4 Why do the less than symbol (<) and the greater than symbol (>) appear wrong as upside down exclamation (A^\[DownExclamation]) or question mark (A^\[DownQuestion])?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=2369

When typing < or > in LaTeX and compiling with pdflatex, the less than and greater than symbols appear at upside down exclamation points. I'm not in math mode. 
[symbols] [punctuation] [font-encodings]
 

asked by biased_estimator https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=996 220 votes

answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=213 189 votes

5.2.2.5 Is there a way to slightly shrink a table, including font size, to fit within the column boundaries?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=10863

I have a table that is just a little too wide for a 3.33" column. Is there a way to simply shrink the table a little to make it fit? I'm OK if the 10pt font becomes 9pt-something. Here is an example. 
... 
[tables] [scaling]
 

asked by Nathan Farrington https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=3504 107 votes

answered by Martin Scharrer https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=2975 153 votes

5.2.2.6 How to use \multirow

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=73283

I can compile this table separately but when I want to compile the whole file, it gives me an error, which is fixed by removing \multirow. 
\usepackage{multirow} 
\begin{table}[htbp] 
\begin{center} 
... 
[tables] [multirow]
 

asked by anna https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=18922 69 votes

answered by Gonzalo Medina https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=3954 113 votes

5.2.2.7 What is the "correct" way of embedding text into math mode?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=3415

Lets say I have something like: 
\[ Let x = number of cats \] 
(This is a contrived example, but pretend we are actually inside a long align environment block...) "Let" and "number of cats" need to  ... 
[math-mode]
 

asked by Billy ONeal https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=192 194 votes

answered by Michael Underwood https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=32 176 votes