	算法1			算法2
n	迭代次数	${‖ r_{k} ‖}_{\infty}$	运行时间	迭代次数	${‖ r_{k} ‖}_{\infty}$	运行时间
100	59	4.8442e−06	0.012253	61	5.6059e−06	0.012401
500	60	5.9954e−06	0.034103	61	5.8328e−06	0.037267
1000	61	5.7462e−06	0.060199	66	5.5730e−06	0.068930
1500	61	5.6193e−06	0.086749	65	4.9437e−06	0.093655
2000	62	5.7995e−06	0.113949	67	5.7311e−06	0.135631
2500	62	5.6215e−06	0.143358	69	3.3973e−06	0.164831
3000	68	5.4984e−06	0.211251	67	5.3184e−06	0.235544
3500	64	5.0719e−06	0.226145	72	5.8803e−06	0.278549
4000	65	5.5317e−06	0.254342	64	4.8939e−06	0.279823
5000	63	5.4201e−06	0.323782	76	5.0309e−06	0.410873
8000	66	5.5433e−06	0.590516	78	5.9169e−06	0.690034
10,000	65	5.2372e−06	0.718816	78	5.0175e−06	0.866920