{"coeffs": [-3.8313905862142805e-06, 0.0013010566463066296, 1.021106261717044, 0.18804173651175482], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.4930465591111148e-06, 0.0012330795471996554, 0.22862708856775804, 0.015494802666184507], "covariance": [[2.2291880276735396e-12, -1.5062789641310647e-09, -2.844654810720748e-07, -2.113274290473595e-08], [-1.5062789641310661e-09, 1.5204851697221072e-06, 0.000281735173925273, 1.851334739277664e-05], [-2.8446548107207395e-07, 0.000281735173925273, 0.05227034562696948, 0.0034611535168923477], [-2.113274290473583e-08, 1.8513347392776638e-05, 0.0034611535168923477, 0.00024008890966399851]]}