{"coeffs": [-2.147857263408891e-06, 0.00010885840884537193, 0.4380278304082251, 0.1364461090898904], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.445873000118013e-07, 2.170582621468011e-06, 0.005408312393511097, 0.003950931285767138], "covariance": [[2.9657532733414366e-13, -8.207770124338828e-13, -1.4751727549508567e-09, -1.8427127124308735e-09], [-8.207770124338827e-13, 4.711428916618942e-12, 1.12498671020317e-08, 7.913364006071902e-09], [-1.4751727549508567e-09, 1.1249867102031702e-08, 2.924984294580573e-05, 1.7601291629110193e-05], [-1.8427127124308733e-09, 7.913364006071904e-09, 1.7601291629110193e-05, 1.5609858024853566e-05]]}