{"coeffs": [-1.5557732641679971e-06, 4.656573853159955e-05, 0.44540119380107296, 0.15910372147621257], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.8274195632137727e-07, 2.4033817315998383e-06, 0.01568808900741077, 0.008885401246126341], "covariance": [[1.4649140512871507e-13, -6.795963846934805e-13, -3.883601638475663e-09, -2.990302808316286e-09], [-6.795963846934829e-13, 5.776243747787838e-12, 3.7204064929159363e-08, 2.0071009944089914e-08], [-3.88360163847568e-09, 3.7204064929159377e-08, 0.0002461161367044426, 0.00012570425547958944], [-2.9903028083162902e-09, 2.0071009944089884e-08, 0.0001257042554795892, 7.895035530466353e-05]]}