VIE-FG-FFT for Analyzing EM Scattering from Inhomogeneous Nonmagnetic Dielectric Objects

Table 4

The Preprocessing time in Example D.

Method	Edge length ()	Unknowns	Preprocessing time (s)
FG-FFT	0.15	10875	18.42
P-FFT			84.36
FG-FFT	0.1	39927	261.27
P-FFT			512.69
FG-FFT	0.08	61376	934.07
P-FFT			1326.58