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Table 1 Numerical results with different dimensions of Problem 1

From: Two spectral gradient projection methods for constrained equations and their linear convergence rate

Dimension Method Iter. Fn CPU
1,000 Algorithm 2.1 1 5 0.02
Algorithm 2.2 1 5 0.02
CGD 11 51 0.03
5,000 Algorithm 2.1 1 5 0.03
Algorithm 2.2 1 5 0.03
CGD 12 56 0.16
50,000 Algorithm 2.1 1 5 0.14
Algorithm 2.2 1 5 0.11
CGD 13 60 1.33
100,000 Algorithm 2.1 1 5 0.25
Algorithm 2.2 1 5 0.25
CGD 13 60 2.86