Table 2:
𝐿
2
-error and order of convergence in
𝑥
when
𝜇
=
1
.
8
.
ℎ
‖
𝐮
−
𝐮
ℎ
‖
𝐿
2
(
Ω
)
Error
Order
1/4
8
.
0
3
0
4
5
𝑒
−
0
3
—
1/8
2
.
2
8
9
5
9
𝑒
−
0
3
1.810
1/16
6
.
3
2
9
6
2
𝑒
−
0
4
1.855
1/32
1
.
7
6
4
0
6
𝑒
−
0
4
1.843