{"coeffs": [-9.946281048701939e-07, 0.28692491059841585, 2.042335560323449, 0.16733596240689777], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.579544697062547e-07, 78.52427493954801, 46.00119205944554, 0.006822770638546486], "covariance": [[6.654050844143507e-14, -1.5737732687211438e-05, -9.221412648472618e-06, -1.5524331966942316e-09], [-1.5737732686000848e-05, 6166.061754781727, 3612.210063942086, 0.5177778373115544], [-9.221412647779033e-06, 3612.2100639422256, 2116.109670889996, 0.3033513078711773], [-1.55243319663261e-09, 0.5177778373280165, 0.30335130788082315, 4.655019918621203e-05]]}