A Type of Multigrid Method Based on the Fixed-Shift Inverse Iteration for the Steklov Eigenvalue Problem

Table 1

The 1st and the 2nd eigenvalues of Example 1 obtained by Algorithms 1 and 2 with .

1	5	5700	0.24008040	0.54	5700	0.24008040	0.57
1	10	27344	0.24007936	1.60	27343	0.24007936	1.66
1	15	117001	0.24007915	7.67	117001	0.24007915	7.82
1	19	408971	0.24007910	29.06	408971	0.24007910	29.25
1	20	509032	0.24007910	39.88	509032	0.24007910	40.07
1	21	764069	0.24007909	55.90	764069	0.24007909	55.96
2	5	4526	1.49245505	0.51	4529	1.49245448	0.54
2	12	37855	1.49231870	2.31	37941	1.49231871	2.33
2	18	223337	1.49230601	15.77	224277	1.49230600	15.89
2	24	1329617	1.49230362	109.68	1334272	1.49230362	109.90
2	25	1805637	1.49230347	151.36	1812726	1.49230347	151.02
2	26	2439573	1.49230337	211.29	2447212	1.49230337	210.12