p

LEV

${\Vert u-u_h\Vert }_{{ℍ}_1}$

Estimated accuracy ${\eta }_{\alpha }$

$\alpha =0$

$\alpha =1/4$

$\alpha =1/2$

$\alpha =3/4$

$\alpha =1$

1

1

3.851e+00

1.113e+01

8.388e+00

6.534e+00

5.188e+00

4.170e+00

2

1.935e+00

3.543e+00

2.496e+00

1.858e+00

1.433e+00

1.131e+00

3

9.689e−01

1.348e+00

8.612e−01

5.863e−01

4.211e−01

3.158e−01

4

4.846e−01

6.062e−01

3.633e−01

2.280e−01

1.495e−01

1.026e−01

5

2.423e−01

2.939e−01

1.721e−01

1.041e−01

6.477e−02

4.142e−02

2

1

2.644e−01

2.918e−01

1.583e−01

8.954e−02

5.221e−02

3.123e−02

2

6.656e−02

7.200e−02

3.880e−02

2.174e−02

1.252e−02

7.360e−03

3

1.667e−02

1.796e−02

9.667e−03

5.411e−03

3.112e−03

1.826e−03

4

4.170e−03

4.487e−03

2.415e−03

1.351e−03

7.771e−04

4.559e−04

5

1.043e−03

1.122e−03

6.036e−04

3.378e−04

1.942e−04

1.139e−04

3

1

1.322e−01

1.530e−01

7.798e−02

4.201e−02

2.360e−02

1.371e−02

2

1.654e−02

1.948e−02

9.906e−03

5.309e−03

2.957e−03

1.695e−03

3

2.060e−03

2.454e−03

1.249e−03

6.699e−04

3.733e−04

2.141e−04

4

2.568e−04

3.074e−04

1.566e−04

8.400e−05

4.682e−05

2.686e−05

5

3.205e−05

3.846e−05

1.959e−05

1.051e−05

5.860e−06

3.361e−06

4

1

1.126e−02

1.386e−02

6.451e−03

3.209e−03

1.684e−03

9.221e−04

2

7.143e−04

8.576e−04

3.989e−04

1.984e−04

1.040e−04

5.690e−05

3

4.478e−05

5.337e−05

2.482e−05

1.234e−05

6.471e−06

3.539e−06

4

2.800e−06

3.333e−06

1.550e−06

7.708e−07

4.041e−07

2.210e−07

5

1.786e−07

2.111e−07

9.872e−08

4.938e−08

2.605e−08

1.433e−08