Table 1: The absolute error of Example 3.1.

Absolute error
Present ( ) Present ( ) Present ( ) Present ( ) Ref. [3]Ref. [2] Present ( )

0.00000000
0.1 0
0.3
0.4
0.5
0.7
0.9
1.0 0

0 s < CPU runtime ≤ 1 s CPU runtime ≤ 10 s CPU runtime = 180 s