{"coeffs": [-1.80811582297239e-06, 0.00031760942963072526, 0.7420282963814647, 0.15457601760641054], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.500411804019018e-07, 3.069301368480293e-05, 0.02413016292946919, 0.004282581419380174], "covariance": [[1.2252882797715678e-13, -8.016831063941987e-12, -6.43731878189072e-09, -1.297127359663138e-09], [-8.016831063941938e-12, 9.420610890554998e-10, 7.395934062090527e-07, 1.2593188610405964e-07], [-6.4373187818907e-09, 7.395934062090528e-07, 0.000582264763002729, 0.00010022646049988272], [-1.2971273596631366e-09, 1.259318861040599e-07, 0.00010022646049988291, 1.834050361362031e-05]]}