Fig. 2From: The rapidly convergent solutions of strongly nonlinear oscillators a Comparison of approximate periodic solution of Eq. (16) obtained by present method (denoting by circles) with numerical solution obtained by fourth order Runge–Kutta method (denoted by solid line) for A = 1. b Comparison of approximate periodic solution of Eq. (16) obtained by present method (denoting by circles) with numerical solution obtained by fourth order Runge–Kutta method (denoted by solid line) for A = 10Back to article page