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. 2019 Dec 18;14(12):e0225988. doi: 10.1371/journal.pone.0225988

Fig 8.

Fig 8

(Left) Two locally optimal solutions of TOE (full order) for the 11-hour jet-lag case with Imax = 1000 lux, obtained by using the GDA with two different initial guesses of the circadian light input signal. (Right) Graphs of the corresponding optimal circadian light inputs I*(t) and the descent direction Δ(t). We can also observe that, per Lemma 2, both solutions are (locally) optimal.