\documentclass{article}
\usepackage{amsmath}
\begin{document}
\begin{equation} A = \begin{matrix}\begin{pmatrix}
A_{00} \\
A_{01} \\
A_{10} \\
A_{11}
\end{pmatrix}\end{matrix} \begin{pmatrix}
A^*_{00} & A^*_{01} & A^*_{10} & A^*_{11}
\end{pmatrix}
\end{equation}
\end{document}
I want to align the row matrix near the first row of the column vector. How can I do that?
$\begin{equation}
which generates a Tex error