Skip to main content

Theory and Modern Applications

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