h

${\text{Error}}_{\text{relative}}$

RMS

$L_2$

$L_{\infty }$

0.04

0.0483

0.2936

7.3393

0.1240

0.02

0.0118

0.0406

1.0159

0.0168

0.01

0.0107

0.0357

0.8920

0.0148

0.005

0.0072

0.0219

0.5484

0.0090

0.000625

0.0002

0.0118

0.0253

0.0011