Electromagnetic Nondestructive Testing by Perturbation Homotopy Method

Figure 4

(a) True model; (b) results of damping Gauss-Newton method; (c) results of perturbation homotopy method; (d) cross-section of (a) at 𝑍=8; (e) cross-section of (b) at 𝑍=8; (f) cross-section of (c) at 𝑍=8.

(a)

(b)

(c)

(d)

(e)

(f)