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Table 2 Kozlov-Maz’ya method: Relative error E r (f)

From: Two regularization methods for a class of inverse boundary value problems of elliptic type

N

k

ϵ

ω

E r (f)

40

4

0.01

0.5 × 2.7881 = 1.3941

0.0790

40

4

0.01

2/3 × 2.7881 = 1.8587

0.0205

40

4

0.01

0.7 × 2.7881 = 1.9517

0.0223

40

4

0.01

0.8 × 2.7881 = 2.2305

0.0214

40

4

0.001

0.5 × 2.7881 = 1.3941

0.0792

40

4

0.001

2/3 × 2.7881 = 1.8587

0.0082

40

4

0.001

0.7 × 2.7881 = 1.9517

0.0026