x
y
Second order central difference scheme with steps
Finite element method with mesh size
Absolute error
Relevant error %
Absolute error
Relevant error %
0
0.1
0
0
0
0
0.2
0.2
0.0046708
2.3176755
0.0134396
6.6687403
0.4
0.3
0.0120560
4.4238110
0.0287555
10.551476
0.6
0.4
0.0189313
5.1426837
0.0383096
10.406785
0.8
0.5
0.0193264
3.8954666
0.0334284
6.7378980
1
0.6
0
0
2.886e−15
4.3169e−13