\input{kapittel}

\kapittel{4}{Partielle differensiallikninger II}


\begin{align*}
\nabla \cdot \mathbf E &= \frac{\rho}{\epsilon_0} \\  
\nabla \times \mathbf E &=- \frac{\partial \mathbf B}{\partial t} \\  
\nabla \cdot \mathbf B &= 0 \\  
\nabla \times \mathbf B &= \frac{\mathbf j}{\epsilon_0}+\frac{\partial \mathbf E}{\partial t}  
\end{align*}

\kapittelslutt
