{"coeffs": [-1.8283177988580077e-07, 0.09550098613615195, 1.1867524336043456, 0.06425055873372154], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.78004351010865e-08, 52.112372904154974, 35.052231675393976, 0.00338736932606896], "covariance": [[1.4288728938314522e-15, -7.847986764005036e-07, -5.280139771721275e-07, -6.492631965983736e-11], [-7.847986762494122e-07, 2715.6994097017055, 1826.6549124750643, 0.16903730073696777], [-5.280139770787667e-07, 1826.6549124751452, 1228.6589454254927, 0.11370762600827385], [-6.492631965300275e-11, 0.1690373007460537, 0.11370762601437753, 1.147427095119288e-05]]}