{"coeffs": [1.8103193624530726e-07, 0.9820859292243774, 2.049480131934354, 0.14639762169254317], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.568197721537978e-07, 2953.1837779724815, 441.98729949457606, 0.017842850264833204], "covariance": [[4.3141221309216695e-13, -0.0014018486817228512, -0.00020982329665127813, -9.832556729289654e-09], [-0.0014018486814222574, 8721294.42647982, 1305269.7154271216, 50.71392837427276], [-0.00020982329660997718, 1305269.7154271586, 195352.7729145081, 7.590313206051292], [-9.832556728165186e-09, 50.713928378054554, 7.5903132066127865, 0.0003183673055732584]]}