A Generalized HSS Iteration Method for Continuous Sylvester Equations

Table 3

Numerical results for IGHSS and IHSS.

𝑞	𝑛	Method
		IGHSS		IHSS
		IT	CPU	IT	CPU
𝑞=0.01	𝑛=10	2	0.0006	11	0.0031
	𝑛=20	3	0.0015	21	0.0106
	𝑛=40	4	0.0120	38	0.0818
	𝑛=80	6	0.1005	75	0.8043
	𝑛=160	18	0.9076	130	6.9022
𝑞=0.1	𝑛=10	4	0.0010	11	0.0032
	𝑛=20	4	0.0019	21	0.0105
	𝑛=40	5	0.0090	41	0.0905
	𝑛=80	10	0.1065	79	0.9082
	𝑛=160	20	0.8568	156	7.0812
𝑞=1	𝑛=10	7	0.0021	12	0.0032
	𝑛=20	12	0.0075	20	0.0120
	𝑛=40	21	0.0462	31	0.0691
	𝑛=80	35	0.4036	45	0.5082
	𝑛=160	52	2.8140	60	3.5928
𝑞=10	𝑛=10	10	0.0029	11	0.0035
	𝑛=20	13	0.0081	20	0.0120
	𝑛=40	17	0.0401	34	0.0806
	𝑛=80	24	0.3059	50	0.5889
	𝑛=160	30	1.5861	72	4.5002
𝑞=100	𝑛=10	6	0.0019	11	0.0032
	𝑛=20	7	0.0045	18	0.0111
	𝑛=40	8	0.0192	32	0.0832
	𝑛=80	13	0.1579	55	0.6968
	𝑛=160	27	1.1335	98	5.8509