simpeg.electromagnetics.static.resistivity.Simulation3DNodal.getJ#

Simulation3DNodal.getJ(m, f=None)[source]#

Compute the sensitivity matrix for a given model.

Where \(\mathbf{d}\) are the data, \(\mathbf{m}\) are the model parameters, and the sensitivity matrix is defined as:

\[\mathbf{J} = \dfrac{\partial \mathbf{d}}{\partial \mathbf{m}}\]

this method computes and returns the sensitivity matrix.

Parameters:
m(n_param,) numpy.ndarray

The model parameters.

fresistivity.fields.FieldsDC, optional

Fields solved for all sources.

Returns:
(n_data, n_param) numpy.ndarray

The sensitivity matrix times.