SimPEG.potential_fields.magnetics.Simulation3DDifferential.Jvec_approx

Simulation3DDifferential.Jvec_approx(m, v, f=None)

Approximate effect of J(m) on a vector v :param numpy.ndarray m: model :param numpy.ndarray v: vector to multiply :param Fields f: fields :rtype: numpy.ndarray :return: approxJv