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Table 2 Numerical results for Example 4.1

From: Matrix iteration algorithms for solving the generalized Lyapunov matrix equation

Algorithm n ITs Error CPU n ITs Error CPU
BICR 400 112 7.8882e-7 142.7510 600 112 8.0506e-7 667.4057
Var-BICR 400 14 4.4326e-8 19.8881 600 14 4.4408e-8 83.3214
CRS 400 15 3.2668e-9 13.4433 600 15 3.2507e-9 52.5653
Var-CRS 400 5 2.6410e-9 3.2538 600 5 2.6351e-11 16.3354
Bi-CGSTAB 400 16 9.5717e-8 10.1564 600 16 9.5980e-8 55.0818
Var-Bi-CGSTAB 400 4 6.8168e-9 2.4104 600 4 6.8092e-9 11.6166