Research Article
Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems
Table 3
Comparison of the CG solving time.
| Method | One time of iteration (s) | Number of iterations | Total time of iteration (s) |
| FG-FFT | 3.63 | 69 | 250.5 | FG-FFT + DILU | 4.07 | 48 | 195.4 |
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