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

1.088e+00

1.111e+01

8.370e+00

6.520e+00

5.176e+00

4.160e+00

2

5.475e−01

3.542e+00

2.495e+00

1.857e+00

1.432e+00

1.131e+00

3

2.742e−01

1.348e+00

8.611e−01

5.862e−01

4.211e−01

3.158e−01

4

1.371e−01

6.062e−01

3.633e−01

2.280e−01

1.495e−01

1.025e−01

5

6.858e−02

2.939e−01

1.721e−01

1.041e−01

6.477e−02

4.142e−02

2

1

3.653e−01

1.771e+00

1.059e+00

6.788e−01

4.596e−01

3.255e−01

2

9.446e−02

3.715e−01

2.023e−01

1.149e−01

6.749e−02

4.076e−02

3

2.383e−02

9.121e−02

4.917e−02

2.757e−02

1.589e−02

9.346e−03

4

5.970e−03

2.273e−02

1.224e−02

6.850e−03

3.941e−03

2.312e−03

5

1.493e−03

5.679e−03

3.056e−03

1.710e−03

9.836e−04

5.770e−04

3

1

3.715e−02

1.530e−01

7.796e−02

4.200e−02

2.359e−02

1.371e−02

2

4.657e−03

1.948e−02

9.905e−03

5.308e−03

2.956e−03

1.695e−03

3

5.812e−04

2.454e−03

1.249e−03

6.698e−04

3.732e−04

2.140e−04

4

7.256e−05

3.074e−04

1.566e−04

8.400e−05

4.682e−05

2.685e−05

5

9.064e−06

3.846e−05

1.959e−05

1.051e−05

5.860e−06

3.361e−06

4

1

3.168e−03

1.386e−02

6.449e−03

3.208e−03

1.683e−03

9.218e−04

2

2.016e−04

8.575e−04

3.988e−04

1.983e−04

1.040e−04

5.689e−05

3

1.266e−05

5.337e−05

2.482e−05

1.234e−05

6.471e−06

3.539e−06

4

7.970e−07

3.333e−06

1.550e−06

7.710e−07

4.042e−07

2.211e−07

5

1.007e−07

2.120e−07

9.927e−08

4.973e−08

2.626e−08

1.446e−08