Modified Preconditioned GAOR Methods for Systems of Linear Equations

Table 2

Spectral radii of GAOR method and PGAOR method.

Preconditioner	𝛼	𝜔1	𝜔2=𝜔	𝛾2=𝛾	𝜌GAOR	𝜌PGAOR
𝑆1		0.8	0.6	0.7	0.7505	0.6618
𝑆2		0.8	0.6	0.7	0.7505	0.7340
𝑆3	0.1	0.8	0.6	0.7	0.7505	0.7298
	0.5	0.8	0.6	0.7	0.7505	0.7328