fmultss – IQClab

The function $G=fmultss(G_1,G_2)$ multipliers the state space realizations $G_1=ss(A_1,B_1,C_1,D_1)$ and $G_1=ss(A_2,B_2,C_2,D_2)$ as

$G=G_1G_2=\left[\begin{array}{cc|cc}A_1&B_1C_2&B_1D_2\\0&A_2&B_2\\ \hline C_1&D_1C_2&D_1D_2\end{array}\right].$