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Table 7 Problem 8.7: The maximum absolute errors

From: Operator compact exponential approximation for the solution of the system of 2D second order quasilinear elliptic partial differential equations

h Proposed method (2.12) Method discussed in [21]
α = 10 α = 25 α = 10 α = 25
1/16 3.8618(−05) 2.6193(−04) 1.4642(−04) 4.8477(−04)
1/32 2.4173(−06) 1.4481(−05) 9.1279(−06) 2.9675(−05)
1/64 1.5114(−07) 8.7080(−07) 5.6914(−07) 1.8430(−06)