Formula_7692

\[\begin{gathered}\operatorname{rot} \boldsymbol{B}=4 \pi j+\frac{\partial \boldsymbol{E}}{\partial t}, \quad \operatorname{rot} \boldsymbol{E}=-4 \pi \tilde{j}-\frac{\partial \boldsymbol{B}}{\partial t}, \\\operatorname{div} \boldsymbol{E}=4 \pi \rho, \quad \operatorname{div} \boldsymbol{B}=4 \pi \tilde{\rho},\end{gathered}\]