$\left\{\begin{matrix}p=\frac{3W}{2y}-1\text{, }&y\neq 0\\p\in \mathrm{C}\text{, }&W=0\text{ and }y=0\end{matrix}\right.$

$W=\frac{2y\left(p+1\right)}{3}$

$\left\{\begin{matrix}p=\frac{3W}{2y}-1\text{, }&y\neq 0\\p\in \mathrm{R}\text{, }&W=0\text{ and }y=0\end{matrix}\right.$