N = 11

t = 0.01

t = 0.1

t = 0.5

t = 1.0

Max. absolute error by implicit Euler

0.1320

0.0654

0.0129

1.0898E−004

Root mean square of errors by implicit Euler

0.0871

0.0391

0.0076

5.6590E−005

CPU time

0.019

0.015

0.015

0.011