
\subsection{\bf $6\times 6$ Matrix Example Stencil}

\begin{slide}

\centerline{\psfig{figure=918_09.ps,clip=true,width=4.0in}}

\begin{itemize}
\item We can exploit special structure of matrix of {\bf A} (e.g.,
$x_{16}^{(k)}$ requires $x_{15}^{(k)}$, $x_{17}^{(k-1)}$, $x_{10}^{(k)}$, 
$x_{22}^{(k-1)}$, etc.).
\end{itemize}

\end{slide}
