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Thanks, that worked! Could you please help me with my other question too? http://latex-community.org/forum/viewto ... =5&t=25477

Hello, I'm using TeXnicCenter, and I wish to have pmatrices in augmented form (with a vertical line).

I know how to get an augmented matrix with square brackets, by using the code
\left[\begin{array}{rrrrr|r}
-3 & 6 & -1 & 1 & -7 \\
1 & -2 & 2 & 3 & -1 \\
2 & -4 & 5 & 8 & -4
\end{array}\right ...

\documentclass[11pt,a4paper,openany]{report}
\usepackage{amssymb,amsmath,amsthm}
\usepackage[dutch]{babel}
\usepackage{mdframed}
\usepackage{systeme,mathtools}
\usepackage{lipsum}
\usepackage{relsize}
\newcommand\md{\ }
\renewcommand{\qedsymbol}{$\blacksquare$}
\begin{document}

\systeme{x_1=2r + s ...

Thanks both, that fixed it.

%Preamble
\documentclass[11pt,a4paper,openany]{book}
\usepackage{amssymb,amsmath,amsthm}
\usepackage[dutch]{babel}
\usepackage{mdframed}
\usepackage{lipsum}
\renewcommand{\qedsymbol}{$\blacksquare$}
\pagestyle{plain}
\setlength{\parindent}{0cm}
\setlength{\parskip}{0cm}
\theoremstyle{definition ...

%Preamble
\documentclass[11pt,a4paper]{article}
\usepackage{amssymb,amsmath,amsthm}
\usepackage[dutch]{babel}
\setlength{\parindent}{0cm}
\setlength{\parskip}{0cm}
\theoremstyle{definition}
\newtheorem{def}{Definitie}
\begin{document}
\begin{titlepage}

Hey guys, I am writing about lineair algebra ...