Errata: Example 8.10 missing factor of v, a1 and a2 flipped

Chapter	Output Feedback
Page	8-28
Line	-4
Version	3.1.5
Date	6 Oct 2021

Example 8.10 (Steering control with velocity scheduling) is missing a factor of $v$ in the definition of $A_{\text{d}}$ that propagates through the example. In addition, the coefficients $a_{1}$ and $a_{2}$ are swapped in the definition of $w_{2}$.

The equation for $A_{\text{d}}$ should read:

${\begin{aligned}A_{\text{d}}&=\left.{\frac {\partial f}{\partial x}}\right|_{(x_{\text{d}},u_{\text{d}})}=\left.{\begin{bmatrix}0&0&-v\sin \theta \\0&0&v\cos \theta \\0&0&0\end{bmatrix}}\right|_{(x_{\text{d}},u_{\text{d}})}={\begin{bmatrix}0&0&0\\0&0&v_{\text{r}}\\0&0&0\end{bmatrix}},\\B_{\text{d}}&=\left.{\frac {\partial f}{\partial u}}\right|_{(x_{\text{d}},u_{\text{d}})}={\begin{bmatrix}1&0\\0&0\\0&v_{\text{r}}/l\end{bmatrix}}.\end{aligned}}$