\begin{equation*}\label{eqn:horner}
    \sum_{i=0}^{k} A_{i} \otimes \frac{z^{\otimes(k-i)}}{(k-i) !} = \left(\left(\cdots\left(\left(\frac{z}{k}+A_{1}\right) \otimes \frac{z}{k-1}+A_{2}\right) \otimes \frac{z}{k-2}+\cdots\right) \otimes \frac{z}{2}+A_{k-1}\right) \otimes z+A_{k}.
\end{equation*}
