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Table 1 The comparison between the results of preconditioning and relaxed CQ algorithms

From: Preconditioning methods for solving a general split feasibility problem

ε

Algorithms

n

CPU (s)

c(x)

q(y)

0.01

RCQ

16

0.0112

−0.1665

57.1092

3.2

22

0.0049

−0.1333

1.2636

0.001

RCQ

200

0.0216

−0.2684

1.2708

3.2

13

0.0039

−0.0770

3.5300E − 02

0.0001

RCQ

360

0.0295

−0.1039

1.0710E − 01

3.2

60

0.0081

−0.0479

1.4900E − 02

0.00001

RCQ

464

0.0363

−0.2561

7.5000E − 03

3.2

21

0.0043

−0.0566

3.3809E − 04