STATE · SPACE S = … × … px Σ = ℝ⁴ · orbit of F n = 0
F(S) · path decomposition [px]
x(t) ≈computing…
y(t) ≈computing…
ω₁ = — · T₁ = — · N = —
Sₙ · state vector
x
y
|ṙ|
arc ℓ = —  ·  κ = —  ·  θ = —
phase portrait (x [px], ẋ [px/f])
← x [px] →