Duffing Oscillator

Forced Nonlinear Oscillator · Period Doubling · Strange Attractor · Poincaré Section

0.280
1.00
0.15
1.00
ẍ + δẋ + αx + βx³ = γcos(ωt)
Double well: α=-1 (bistable potential)
Period doubling → chaos: γ_c ≈ 0.2645
Lyapunov λ > 0 signals chaos