SimPEG.electromagnetics.natural_source.Simulation3DPrimarySecondary.getJtJdiag#

Simulation3DPrimarySecondary.getJtJdiag(m, W=None, f=None)[source]#

Return the diagonal of JtJ

Parameters:

• m (numpy.ndarray) – inversion model (nP,)

• W (numpy.ndarray) – vector of weights (ndata,)

• u (SimPEG.electromagnetics.frequency_domain.fields.FieldsFDEM) – fields object

Return type:

numpy.ndarray

Returns:

JtJ (nP,)