{"coeffs": [-0.00046250000272000355, 1.8181489730878288e-05, -5.629953798268955, 1.751033907498185], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.5200896837974145, 0.0019086041751190655, 6846.757904284971, 394.03148006747006], "covariance": [[2.3106726467873235, -0.002893651941926152, 10407.567228815742, -598.5731165754756], [-0.002893651940914615, 3.6427698972819286e-06, -13.037882552963014, 0.7515517906311157], [10407.567228575457, -13.037882557218202, 46878093.79988873, -2696515.461580882], [-598.5731164710511, 0.7515517907623794, -2696515.4611727856, 155260.80728416104]]}