{"coeffs": [-1.7521940430911033e-06, 0.00041320947747665554, 0.9290137659982615, 0.1894117445032173], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.5562922219657216e-07, 7.962019408098695e-05, 0.050822349864030045, 0.005157888981926931], "covariance": [[6.534629924082445e-14, -1.6704601196539775e-11, -1.0880550775859448e-08, -1.2079370749768073e-09], [-1.6704601196539827e-11, 6.339375305494028e-09, 4.042942464886418e-06, 3.977361713184178e-07], [-1.0880550775859479e-08, 4.042942464886418e-06, 0.0025829112457018744, 0.0002563012931395146], [-1.2079370749768097e-09, 3.977361713184177e-07, 0.0002563012931395147, 2.6603818749883225e-05]]}