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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