Table 5: Example 6.5: 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]
𝛾 = 1 𝛾 = 2 𝛾 = 5 𝛾 = 1 𝛾 = 2 𝛾 = 5

1 / 4 (CPU time)0.1067E-030.3903E-030.8100E-020.7776E-030.9220E-030.2318E-01
(0.2404)(0.2493)(0.2482)(0.3002)(0.3122)(0.3120)
1 / 8 (CPU time)0.9365E-050.3437E-040.6271E-030.4418E-040.6072E-040.1272E-02
(1.6889)(1.7670)(2.0218)(2.1122)(2.2424)(2.5560)
1 / 1 6 (CPU time)0.6667E-060.2416E-050.4248E-040.2218E-050.3664E-050.8814E-04
(25.9590)(27.6302)(32.5906)(31.0244)(33.4255)(40.1616)
1 / 3 2 (CPU time)0.4148E-070.1523E-060.2608E-050.1360E-060.2214E-060.5416E-05
(367.1442)(396.0654)(455.2458)(459.1677)(495.8262)(569.1088)