SimPEG.electromagnetics.frequency_domain.Simulation3DElectricField.getADeriv_mui#

Simulation3DElectricField.getADeriv_mui(freq, u, v, adjoint=False)[source]#: Product of the derivative of the system matrix with respect to the permeability model and a vector.

\[\frac{\mathbf{A}(\mathbf{m}) \mathbf{v}}{d \mathbf{m}_{\mu^{-1}} = \mathbf{C}^{\top} \frac{d \mathbf{M^f_{\mu^{-1}}}\mathbf{v}}{d\mathbf{m}}\]