Table 4: 𝐿 2 -error and order of convergence in 𝑥 when 𝜇 = 1 . 5 .


𝐮 𝐮 𝐿 2 ( Ω )
Error Order

1/4 5 . 4 7 7 5 0 𝑒 0 3
1/8 2 . 2 0 1 2 9 𝑒 0 3 1.315
1/16 8 . 8 6 8 5 8 𝑒 0 4 1.312
1/32 3 . 5 7 6 2 9 𝑒 0 4 1.310