Rational Biparameter Homotopy Perturbation Method and Laplace-Padé Coupled Version
Figure 2
RKF45 solution for Van Der Pol Oscillator problem (7.1) (diagonal cross) and its approximate solutions obtained by RBHPM (7.8) (asterisk), LPRBHPM (7.11) (solid line), HPM (7.15) (solid circles), and HPM (7.16) (empty squares).
