Coordinate cilindriche

$$\begin{array}{rcl} \nabla \wedge \vec{V} & = & \left( \ensu... ...remath{\frac{\partial u_r}{\partial \theta}}\right) \end{array}$$

$$\nabla \wedge \vec{V}= \left\vert \begin{array}{ccc} \displa... ...l }{\partial z}}\\ u_r&r\ u_\theta&u_z \end{array}\right\vert$$