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. Author manuscript; available in PMC: 2023 Jun 9.

Published in final edited form as: Electron Res Arch. 2021 Jun;29(2):2007–2028. doi: 10.3934/era.2020102

Table 4.

Errors of ${∥u_{h, N} - u_{e x t} (T)∥}_{0, Ω}$ with $ρ_{1} = 1, ρ_{2} = 10, β_{1} = β_{2} = β (x, y), Δ t = h^{2}$ .

h	Coupled scheme	Decoupled DN scheme
$\frac{1}{8}$	3.39101e-2	3.21780e-2
$\frac{1}{16}$	9.09826e-3	9.38034e-3
$\frac{1}{32}$	2.31506e-3	2.38207e-3
h	Decoupled iRR scheme	Decoupled RR scheme
		α₁ = 10, α₂ = 5	α₁ = 1, α₂ = 1
$\frac{1}{8}$	3.23888e-2	3.21780e-2	3.76394e-2
$\frac{1}{16}$	8.82536e-3	8.72945e-3	1.38221e-2
$\frac{1}{32}$	2.28889e-3	2.24812e-3	5.04232e-3