{"coeffs": [-1.379625072243041e-07, 0.1263395310560136, 1.190879597759215, 0.059953350971842054], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.510483773409793e-08, 146.04839622435796, 69.483545053516, 0.0033540124624481136], "covariance": [[6.302528776553873e-16, -1.3979482346811088e-06, -6.651762962476641e-07, -4.0880883983753234e-11], [-1.3979482344810277e-06, 21330.134039707053, 10147.960232013169, 0.4696800732738239], [-6.651762961672573e-07, 10147.960232013344, 4827.963033203987, 0.2234622331674603], [-4.088088398062034e-11, 0.4696800732921997, 0.22346223317608635, 1.1249399598257258e-05]]}