{"coeffs": [-3.413881286212861e-06, 0.00010855196911155722, 0.38806038230188095, 0.14680706997326373], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.961232824069793e-07, 3.4714798993217494e-06, 0.009130124848086328, 0.006774902549932121], "covariance": [[8.030369372718587e-13, -2.188868711896806e-12, -4.151692539005595e-09, -5.241300467048213e-09], [-2.188868711896809e-12, 1.2051172691394945e-11, 3.034767576450273e-08, 2.174427642405669e-08], [-4.151692539005605e-09, 3.034767576450274e-08, 8.335917974164342e-05, 5.09028424259448e-05], [-5.2413004670482175e-09, 2.1744276424056683e-08, 5.090284242594476e-05, 4.589930456107676e-05]]}