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13.3.5.3.2 Basic Smooth: 3x3
(not normalized)

\begin{displaymath}
\left[
\begin{array}{r r r}
1 & 2 & 1 \\
2 & 4 & 2 \\
1 & 2 & 1 \\
\end{array}
\right]
\end{displaymath}



2001-01-10