Two chaotic systems coupled. Synchronization transition as coupling ε increases. Generalized synchronization: M(Rössler) ≈ h(Lorenz).
Lorenz: ẋ=σ(y-x), ẏ=ρx-y-xz, ż=xy-βz
Rössler: ẋ=-y-z, ẏ=x+ay, ż=b+z(x-c)