Table 1:
𝐿
2
-error and order of convergence in
𝑥
when
𝜇
=
1
.
6
.
ℎ
‖
𝐮
−
𝐮
ℎ
‖
𝐿
2
(
Ω
)
Error
Order
1/4
8
.
3
7
8
1
1
𝑒
−
0
3
—
1/8
2
.
7
3
5
3
7
𝑒
−
0
3
1.615
1/16
8
.
7
5
7
5
2
𝑒
−
0
4
1.643
1/32
2
.
8
3
1
6
7
𝑒
−
0
4
1.629