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. 2021 Oct 28;2021:5877217. doi: 10.1155/2021/5877217

Table 1.

l 2-norm error and convergence rates with various Δt.

Case Δt Rate Δt/2 Rate Δt/4 Rate Δt/8
l 2-error 3.0679e − 3 3.98 1.9458e − 4 3.99 1.2243e − 5 4.00 7.6600e − 7