SimPEG.electromagnetics.time_domain.Simulation3DMagneticFluxDensity.getAdiag

Simulation3DMagneticFluxDensity.getAdiag(tInd)

System matrix at a given time index

\[(\mathbf{I} + \mathbf{dt} \mathbf{C} \mathbf{M_{\sigma}^e}^{-1} \mathbf{C}^{\top} \mathbf{M_{\mu^{-1}}^f})\]