Journal of Inequalities and Applications

Table 1 Numerical results for Example 6.1

From: A preconditioning method of the CQ algorithm for solving an extended split feasibility problem

Starting point	The method (26)			The method (30)
Starting point	k	CPU (s)	Approximate solution	k	CPU (s)	Approximate solution
${(1, 2, 3)}^{'}$	6	0.0156	${(1.4000, 1.1864, 1.6101)}^{'}$	6	0.0262	${(1.1798, 1.1380, 1.6447)}^{'}$
${(1, 1, 1)}^{'}$	1	0.0149	${(1, 1, 1)}^{'}$	1	0.0252	${(1, 1, 1)}^{'}$
$rand {(3, 1)}^{'} * 10$	7	0.0153	${(9.5717, 1.0372, 1.7101)}^{'}$	7	0.0270	${(9.5717, 1.0372, 1.7101)}^{'}$

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