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• SIR epidemicSusceptible–infected–recovered epidemic
• Lotka–VolterraPredator–prey oscillations
• Lorenz attractorDeterministic chaos, the butterfly attractor
• Van der Pol oscillatorSelf-sustaining limit cycle
• Logistic growthGrowth that saturates at carrying capacity
• Damped pendulumNonlinear pendulum with damping