# MandysNotes

## Latex

### The Latex Cheat-Sheet

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Here is a quick list of frequently used commands for mathematics in Latex.

All commands are in math mode, i.e. enclosed within either dollar signs or "$...$."

### Matrices with Latex

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There are several matrix environments in Latex.

A very simple 2X2 matrix such as:

$\begin{pmatrix} a_{11} & a_{12} \\ \\ a_{21} & a_{22} \end{pmatrix}$

would be written as follows:

$\begin{pmatrix} a_{11} & a_{12} \\ \\ a_{21} & a_{22} \end{pmatrix}$

### Vectors in Latex

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The basic vector command in Latex is

$$\vec{v} :=$$      \vec{v}

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http://latex-project.org/ftp.html

This site has valuable information:

Tex-Latex Stack Exchange:

http://tex.stackexchange.com/