Figure 3. Model 3, the dual (Crowd action – Police reaction) is presented in a dynamical framework using Trigonometric Deterministic Delay Differential Equations (TDDDEs)

From

Modelling, Simulation and Analysis of Police Containment of Crowd Using Stochastic Differential Equations with Delays

Jimbo Henri Claver, Jawad Azimi, Dinga Bruno, Gabriel Andjiga

American Journal of Modeling and Optimization. 2019, 7(1), 29-34 doi:10.12691/ajmo-7-1-5