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Boundary Value Problems

Table 2 Error analysis for u

From: Approximation of the inverse elliptic problem with mixed boundary value conditions and overdetermination

 

N  =  M  = 20

N  =  M  = 40

N  =  M  = 80

N  =  M  = 160

First order of accuracy difference scheme

0.036174

0.042733

0.016978

0.0041271

Second order of accuracy difference scheme

0.019509

0.0034552

6.41 × 10−4

1.56 × 10−4

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