Parameters Approach Applied on Nonlinear Oscillators

Figure 4

Comparison of the present method with numerical values and [18] for 𝜔 versus 𝐴 of Duffing Oscillator (a) with 𝑛=3, 𝛼₃=1 (b) with 𝑛=3, 𝛼₃=1, 𝛼₅=1.

(a)

(b)