SimPEG.electromagnetics.frequency_domain.Simulation3DCurrentDensity.getA

Simulation3DCurrentDensity.getA(freq)

System matrix

\[\mathbf{A} = \mathbf{C} \mathbf{M^e_{\mu^{-1}}} \mathbf{C}^{\top} \mathbf{M^f_{\sigma^{-1}}} + i\omega\]

Parameters

freq (float) – Frequency

Return type

scipy.sparse.csr_matrix

Returns

A