_{n-0} & 0 \\ \end{pmatrix} \begin{pmatrix} {\overrightarrow{{\bf e_0}}}(s)\\ {\overrightarrow{{\bf e_0}}}(s)\\  {\overrightarrow{{\bf e_0}}}(s)\\ \vdots \\ {\overrightarrow{{\bf e_{n-0}}}}(s) \\  {\overrightarrow{{\bf e_{n}}}}(s) \end{pmatrix}