{"coeffs": [-6.283931395611429e-06, 0.2571566361188458, 3.0234036721250517, 0.3013114791498538], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.7798947646564736e-06, 444.77855258031707, 526.8535748120684, 0.14581818915464853], "covariance": [[4.5966973019816257e-11, -0.0027631159240902197, -0.0032735264051559415, -9.587446465370561e-07], [-0.0027631159231755794, 197827.96083544186, 234333.151442274, 63.74086266191713], [-0.003273526404076072, 234333.15144235108, 277574.6892922557, 75.50867131342764], [-9.587446463803646e-07, 63.740862671703056, 75.5086713249909, 0.02126294428834086]]}