Convergence of the High-Accuracy Algorithm for Solving the Dirichlet Problem of the Modified Helmholtz Equation

Table 2

The simulation results for Example 1.

(8, 8)	1.4512e − 4	—	1.4195e − 4	—
(16, 16)	1.7060e − 5	8.5065	1.6596e − 5	8.5534
(32, 32)	2.1358e − 6	7.9874	2.0716e − 6	8.0113
(64, 64)	2.6607e − 7	8.0271	2.5935e − 7	7.9876
(128, 128)	3.2564e − 8	8.1709	3.2011e − 8	8.1019
(256, 256)	3.7158e − 9	8.7636	3.7756e − 9	8.4786