PP
pp-0.com/lab
Duffing–VdP
k=0.3
k
0.3
SPEED (dt)
0.02
FADE
0.08
PRESETS
Duffing–VdP — ẋ=y, ẏ=x−x³−δ y+k z, ż=−c z−c x. Classic k=0.3 δ=0.2 c=0.5. Distinct from autonomous-duffing.html. RK4. Gold trail, cap 650. RM = settled silhouette, no animate-on.
PTS 0 · k 0.3
DT 0.02
MODE CLASSIC · ZOOM 1.40
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