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Duffing oscillator 1lindstedt-poincare method 1nonlinear dynamics 1numerical integration 1perturbation methods 1

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math-ph2026

Study of Duffing oscillator using an improved Lindstedt Poincare method and relevant comparisons

Ramij Ahamed, Subhankar Ray

The paper analyzes the undamped Duffing oscillator using an improved Lindstedt‑Poincaré perturbation method and compares its performance to higher‑order Runge‑Kutta numerical solut…