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Table 2 \(k=1.2\), the relative root mean square errors \(\epsilon(u)\) for various noise levels

From: A quasi-reversibility regularization method for a Cauchy problem of the modified Helmholtz-type equation

ε

0.0001

0.001

0.005

0.01

0.05

p = 1

0.0018

0.0056

0.0212

0.0394

0.1581

p = 2

0.0032

0.0113

0.0394

0.9705

0.2479

p = 3

0.0060

0.0203

0.0637

0.1075

0.3240