Table 4: Example 6.4: the maximum absolute errors (with CPU time).

Proposed 𝑂 ( 𝑘 2 + 𝑘 2 2 + 4 ) -method 𝑂 ( 𝑘 4 + 𝑘 2 2 + 4 ) -method discussed in [6]

1 / 4 (CPU time)0.8996E-030.1440E-03
(0.1841)(0.2312)
1 / 8 (CPU time)0.5807E-040.8614E-04
(1.4538)(1.8412)
1 / 1 6 (CPU time)0.3656E-050.5644E-05
(22.3786)(27.1590)
1 / 3 2 (CPU time)0.2299E-060.3246E-06
(307.0478)(384.4488)