Table 5 Absolute error of Example 2.1 for different values of λ and γ ( $\mathit{x}\mathbf{=}\mathbf{0.2}$ , $\mathit{x}\mathbf{=}\mathbf{0.4}$ and $\mathit{x}\mathbf{=}\mathbf{0.6}$ respectively)

λ = 0.5, γ = 0.5

0.12398437

0.173203126

0.289804688

λ = 0.5, γ = 0.25

0.129110108

0.278220216

0.447330323

λ = 0.25, γ = 0.5

0.09571167

0.21142334

0.34713501

λ = 0.25, γ = 0.25

0.148429452

0.316858903

0.505288354

λ = 0.75, γ = 0.25

0.090887414

0.201774827

0.33266224

λ = 0.25, γ = 0.75

0.049999962

0.119999924

0.209999886

λ = 0.75, γ = 0.75

0.02541195

0.070823899

0.136235849

Picard

0.0003

0.002328

0.007369875

Runge-Kutta

0.000000435

0.000000081

0.00000046

Euler

0.01

0.020910977

0.032659931