Convergence of a Generalized USOR Iterative Method for Augmented Systems

Table 4

Numerical results for Example 4.1 in Case III with 𝛼=0.4.

𝑚	128	512	1152
𝑛	64	256	576
USOR
𝜔	1.3	1.4	1.3
𝜏	0.6	0.5	0.5
IT	120	265	364
RES	2.72𝑒−8	7.40𝑒−9	1.70𝑒−8
CPU	0.0084	0.4487	3.2774
𝜌(𝐻(𝜔,𝜏))	0.8783	0.9427	0.9549
GUSOR
𝜔	1.3	1.4	1.3
𝜏	0.6	0.5	0.5
IT	69	194	306
RES	5.02𝑒−8	1.02𝑒−8	1.98𝑒−8
CPU	0.0054	0.3234	2.6347
𝜌(𝐻(𝜔,𝜏,𝛼))	0.7890	0.9207	0.9448