[Retracted] The MGHSS for Solving Continuous Sylvester Equation AX + XB = C

Table 3

The analysis of the optimal values for HSS and MGHSS.

r	HSS			MGHSS
	0.01	0.1	1.0	0.01	0.1	1.0
n = 8	2.75	2.55	2.45	2.65	2.48	2.61
n = 16	1.26	1.26	1.48	1.25	1.3	2.53
n = 32	0.64	0.65	1.15	0.62	0.63	1.78
n = 64	0.32	0.32	0.93	0.27	0.3	1.71
n = 128	0.16	0.2	0.75	0.06	0.05	0.81
n = 256	0.83	0.14	0.65	0.01	0.04	0.71