{"coeffs": [-3.439592878566336e-06, 8.959227107639945e-05, 0.4735875845490956, 0.1838770392109347], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.455871840084384e-07, 3.487130146946506e-06, 0.012555379827153993, 0.008227729932238366], "covariance": [[5.559002489576329e-13, -2.1184456327367915e-12, -6.696034815858637e-09, -5.692296746003265e-09], [-2.118445632736791e-12, 1.216007666174316e-11, 4.311834080578445e-08, 2.738374129665063e-08], [-6.696034815858638e-09, 4.311834080578446e-08, 0.00015763756260410542, 9.360044632638415e-05], [-5.692296746003265e-09, 2.7383741296650637e-08, 9.360044632638415e-05, 6.769553983785113e-05]]}