{"coeffs": [-1.3465196936002423e-07, 0.13458171572468486, 1.1819576444230497, 0.05951565933604793], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.437282898486224e-08, 121.57252250254632, 53.92650808287758, 0.0028180604259697866], "covariance": [[5.940347927253408e-16, -1.1245149154815636e-06, -4.988810528994152e-07, -3.3195673625776844e-11], [-1.1245149152412231e-06, 14779.87822763213, 6555.981552769539, 0.3285325304350644], [-4.988810527796427e-07, 6555.9815527697165, 2908.0682740126613, 0.1457347962008987], [-3.319567362127502e-11, 0.32853253045381225, 0.14573479620921698, 7.941464564417015e-06]]}