{"coeffs": [4.667656399784845e-07, 0.4148706455227373, 1.2158175383976275, 0.05970150324584216], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.766026610243575e-07, 5466.44237679194, 790.300356615441, 0.024190063354753377], "covariance": [[1.418295642906271e-13, -0.0007827479765643621, -0.00011317477134128353, -4.41107971476135e-09], [-0.0007827479769353085, 29881992.258786716, 4320131.343472563, 126.79814716204687], [-0.00011317477139335232, 4320131.343472407, 624574.6536664934, 18.332068440566545], [-4.411079716047536e-09, 126.7981471464803, 18.332068438319975, 0.0005851591651069823]]}