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He’s frequency-amplitude formulation for the Duffing harmonic oscillator. (English) Zbl 1189.65163
Summary: He’s frequency-amplitude formulation is used to solve the Duffing harmonic oscillator problem. The solution procedure is simple, and the result obtained is valid for the whole solution domain with high accuracy.

MSC:
65L99 Numerical methods for ordinary differential equations
34C15 Nonlinear oscillations and coupled oscillators for ordinary differential equations
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