simpeg.potential_fields.magnetics.Simulation3DDifferential.fields# Simulation3DDifferential.fields(m)[source]# Return magnetic potential (u) and flux (B) u: defined on the cell center [nC x 1] B: defined on the cell center [nG x 1] After we compute u, then we update B. Bs=(\MfMui)−1Mμ0−1fB0−B0−(\MfMui)−1\DivTu