%% 
%%  Example 04-01-23 
%%  Copyright (C) 2016 Herbert Voss
%% 
%% ==== 
% Show page(s) 1
%% 
%% 
\documentclass[]{screxa}
\pagestyle{empty}
\setlength\textwidth{158.31393pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{mathtools}
%StopShownPreambleCommands
\begin{document}
\[
  \begin{pmatrix*}[r]
    1 & -1 &  0 \\
   -1 &  1 & -1 \\
    1 & -1 &  0 \\
  -11 & 11 &-11 \\
  \end{pmatrix*}
\]
\end{document}
