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Advances in Continuous and Discrete Models

Theory and Modern Applications

Table 3 Condition number, iteration time (IT), and CT for Ex. 4.2

From: The steepest descent of gradient-based iterative method for solving rectangular linear systems with an application to Poisson’s equation

a

κ(A)

IT

CT

−3

1.3504

11

1.7944e-12

7

2.9802

19

3.0440e-11

10

3.8089

27

0.0013

15

5.9720

36

0.0049

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