Table 3: 𝐿 2 -error and order of convergence in 𝑡 when 𝜇 = 1 . 8 .


𝑘
𝐮 𝐮 𝐿 2 ( Ω )
Error Ratio

1/20 4 . 2 0 4 2 0 𝑒 0 3
1/30 2 . 9 4 8 7 3 𝑒 0 3 0.951
1/40 2 . 3 1 7 9 3 𝑒 0 3 0.954
1/50 1 . 9 3 0 4 6 𝑒 0 3 0.961