SimPEG.electromagnetics.frequency_domain.receivers.PointMagneticField.evalDeriv

PointMagneticField.evalDeriv(src, mesh, f, du_dm_v=None, v=None, adjoint=False)

Derivative of the projected fields with respect to the model, times a vector.

Parameters:

srcSimPEG.electromagnetics.frequency_domain.sources.BaseFDEMSrc

A frequency-domain EM source

meshdiscretize.base.BaseMesh

The mesh on which the discrete set of equations is solved

fSimPEG.electromagnetic.frequency_domain.fields.FieldsFDEM

The solution for the fields defined on the mesh

du_dm_vnumpy.ndarray

The derivative of the fields on the mesh with respect to the model, times a vector.

vnumpy.ndarray, optional

The vector which being multiplied

adjointbool

If True, return the ajoint

Returns:

numpy.ndarray

The derivative times a vector at the receiver(s)