Research Article

A Reliable Treatment of Homotopy Perturbation Method for Solving the Nonlinear Klein-Gordon Equation of Arbitrary (Fractional) Orders

Figure 4

𝑢 ( 𝑥 , 0 . 3 ) of Example 4.2 Case 1 for 4th-order HPM approximation as parameterized by 𝛼 .
581481.fig.004