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. Author manuscript; available in PMC: 2022 Nov 4.
Published in final edited form as: SIAM J Control Optim. 2022;60(2):S27–S48. doi: 10.1137/20m1353289

Fig. 1.

Fig. 1.

(a) Solution of the SEIR equations (2.1) with initial conditions S = 106, E = 102, I = 0, R = 0. The parameter settings are β = 1.1, α = 0.2, γ = 0.5. (b) Result of data assimilation using exact parameters of the model with initial conditions S = 106, E = 0, I = 0, R = 0, and the reports ΔI as inputs.