{"coeffs": [-3.178174133463955e-08, 2.1225973752073726e-05, 0.697073874754102, 0.11261888936082584], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.567879874136104e-08, 9.206073557851343e-06, 0.07558683773117005, 0.0105675239639407], "covariance": [[2.086552654453767e-15, -2.413772065488646e-13, -2.0464169872744172e-09, -3.430194957855785e-10], [-2.4137720654886527e-13, 8.47517903525697e-11, 6.946167160781666e-07, 9.219236089522079e-08], [-2.046416987274427e-09, 6.946167160781669e-07, 0.005713370038198232, 0.0007694322211075519], [-3.430194957855785e-10, 9.21923608952208e-08, 0.0007694322211075518, 0.00011167256272846098]]}