\begin{align}
\left(
\begin{array}{cccccc}
z_{1} & z_{1} & z_{2} & z_{3} & \cdots & z_{N} \\
z_{2} & p\left(z_{1} | z_{1}\right) & p\left(z_{2} | z_{1}\right) & p\left(z_{3} | z_{1}\right) &\dots & p\left(z_{N} | z_{1}\right) \\
z_{3} & p\left(z_{1} | z_{3}\right) & p\left(z_{2} | z_{2}\right) & p\left(z_{3} | z_{3}\right) & \dots& p\left(z_{N} | z_{2}\right) \\
\vdots &\vdots & \vdots & \vdots & \vdots& \vdots \\
z_{N} &\dots & \dots&\dots & \dots &p\left(z_{N} | z_{N}\right)我在这多了一个"&"
\end{array}
\right)
\end{align}