Table 6 Numerical results for Example 4.5 with $\mathit{K}\mathbf{=}{\mathbf{[}\mathbf{-}\mathbf{1}\mathbf{,}\mathbf{1}\mathbf{]}}^{\mathbf{4}}$

${(0.5,0.5,0.5,0.5)}^T$

70

8.73e−007

0.0217

18

4.67e−007

0.0028

${(-2,-2,-2,-2)}^T$

59

8.94e−007

0.0138

16

8.04e−007

0.0024

${(10,10,10,10)}^T$

76

9.72e−007

0.0283

19

4.84e−007

0.0026

${(-2,-2,6,6)}^T$

63

7.73e−007

0.0141

13

6.97e−007

0.0032

${(8,3,-1,-3)}^T$

76

9.97e−007

0.0254

18

7.42e−007

0.0031

${(10,-10,-10,10)}^T$

59

8.94e−007

0.0150

18

4.96e−007

0.0030