{"coeffs": [-1.3133547705028826e-06, 7.8052198457137e-05, 0.4084909037790782, 0.13704451985897], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.8497355295917493e-07, 1.3587544412253875e-06, 0.0048836914412187776, 0.0032462695443231772], "covariance": [[8.120992588617569e-14, -2.5922403403701113e-13, -7.044147618189691e-10, -7.726336054719404e-10], [-2.592240340370112e-13, 1.8462136315497148e-12, 6.420439766614335e-09, 4.0583686225420596e-09], [-7.044147618189691e-10, 6.420439766614334e-09, 2.3850442093033545e-05, 1.3363165342272951e-05], [-7.726336054719405e-10, 4.058368622542059e-09, 1.3363165342272953e-05, 1.0538265954400209e-05]]}