From: Numerical solution to Bitsadze-Samarskii type elliptic overdetermined multipoint NBVP
Difference scheme | N = M = 10 | N = M = 20 | N = M = 40 |
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First order of the ADS | 0.01089 | 0.00408 | 0.0017133 |
Second order of the ADS | 5.39 × 10−3 | 1.34 × 10−3 | 3.27 × 10−4 |