Research Article

Analysis of a Nondestructive Evaluation Technique for Defect Characterization in Magnetic Materials Using Local Magnetic Measurements

Figure 11

Comparison of the performance of both methods for gradient computation. (a) Number of function evaluations. For the method based on the sensitivity equation, more evaluations are needed to satisfy the stopping criterion. (b) Value of the cost function as a function of the computing time.
574153.fig.0011a
(a)
574153.fig.0011b
(b)