{"coeffs": [-8.619551578258357e-07, 9.578219610433631e-05, 1.079373514926123, 0.24370734453216486], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.1818368448195723e-07, 7.682608949880182e-05, 0.263153010410464, 0.02407034780321624], "covariance": [[4.760412017412227e-14, -1.4874864292251634e-11, -5.166973986333535e-08, -5.020967856147623e-09], [-1.487486429225416e-11, 5.902248027677906e-09, 2.0205307848199295e-05, 1.8077210479918435e-06], [-5.166973986334379e-08, 2.0205307848199054e-05, 0.06924950688808978, 0.0062329524637577795], [-5.0209678561480625e-09, 1.807721047991703e-06, 0.006232952463757371, 0.0005793816433677969]]}