\[\begin{pmatrix}b_{0}&a_{0}&&0\\[6.0pt]
c_{1}&b_{1}&a_{1}&\\
&c_{2}&\ddots&\ddots\\
0&&\ddots&\ddots\end{pmatrix}\begin{pmatrix}p_{0}(x)\\[6.0pt]
p_{1}(x)\\
\vdots\\
\vdots\end{pmatrix}=x\begin{pmatrix}p_{0}(x)\\[6.0pt]
p_{1}(x)\\
\vdots\\
\vdots\end{pmatrix}.\]