$h$

${\Vert u-u_h\Vert }_{2,1}$

速率

${\Vert w-w_h\Vert }_{2,1}$

速率

1/2

0.0150004

\

0.0086915

\

1/4

0.00402464

1.89807

0.00239977

1.85671

1/8

0.00102998

1.96624

0.00061566

1.96269

1/16

0.000259289

1.98999

0.000154974

1.99011

1/32

6.49757e-005

1.99659

3.88132e−005

1.99741