k = time steps

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

RMS

$L_2$

$L_{\infty }$

0.01

0.0484

0.2942

2.3542

0.1236

0.001

0.0483

0.2936

2.3393

0.1240

0.0001

0.0461

0.2935

2.3380

0.1241

0.00001

0.0423

0.2935

2.3378

0.1241