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Table 3 Numerical results for Example 4.2

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

Algorithm n ITs Error CPU n ITs Error CPU
BICR 400 112 3.7523e-6 48.5777 900 110 7.3974e-6 325.2917
Var-BICR 400 57 1.1463e-7 30.7176 900 56 7.3974e-6 167.4174
CRS 400 25 8.9720e-8 6.8191 900 23 8.8132e-9 31.8204
Var-CRS 400 15 7.0257e-9 2.3428 900 13 5.4997e-9 16.4174
Bi-CGSTAB 400 26 9.8350e-8 5.1010 900 24 9.6342e-8 45.3461
Var-Bi-CGSTAB 400 8 7.1782e-8 1.6054 900 7 9.0689e-8 10.1155