Magnetotelluric three-dimensional forward modeling method of resistivity and magnetic susceptibility anisotropic medium

The invention provides a magnetotelluric three-dimensional forward modeling method for a resistivity and magnetic susceptibility anisotropic medium, and relates to the field of geophysics. The magnetotelluric three-dimensional forward modeling method for the resistivity and magnetic susceptibility anisotropic medium comprises the following steps that a research model is the anisotropic medium, and the relationship between the magnetic induction intensity B and the magnetic field intensity H is B = mu H (1); wherein mu is the magnetic conductivity of the medium, in the magnetic susceptibility anisotropic medium, the magnetic susceptibility of the medium is no longer a scalar but is represented as a second-order tensor form, the formula (1) is changed into # imgabs0 #, # imgabs1 # is the magnetic conductivity tensor, # imgabs2 # is the relative magnetic conductivity tensor, I is the unit matrix, and # imgabs3 # is the magnetic susceptibility tensor. According to the method, the problem that in the magnetotellur