# Informatics1-2017/Practice7

## Latex mathematical formulas

### Matrices, tables

Try the tabular environment with different aligns! Create a 3x3 matrix with all kinds of brackets. Try to do an nxn matrix as well for example, try to create this formula from wikipedia: matrix.

### Theorems, definitions

Let's do some theorems. For that append this to the preamble:

\newtheorem{mydef}{Definition}
• Create a new threorem style environment!
• Try the different styles (remark, theorem, definition)!

### Labels, references

\begin{theorem}\label{thm:sample_thm}
Theorem text
\end{theorem}

In Theorem \ref{thm:sample_thm} we...

#### Floating pictures

\begin{figure}[p]
\centering
\includegraphics[width=0.8\textwidth]{image.png}
\caption{Awesome Image}
\label{fig:awesome_image}
\end{figure}

Change the placement (h,t,p,b,!,H)!

## BibTeX

BibTeX is a package to create nice looking bibliographies. Create a test bibliography using these sites: http://www.bibtex.org/Using/, https://en.wikibooks.org/wiki/LaTeX/Bibliography_Management.