{"coeffs": [-3.187368242770809e-06, 5.1585707207910893e-05, 0.4168519370424544, 0.19909434598247325], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.6663337827839307e-07, 1.5353259663115155e-06, 0.009957358394166144, 0.006975085551229431], "covariance": [[1.3442003406782725e-13, -4.633550758290779e-13, -2.596417990384003e-09, -2.3863440331107883e-09], [-4.633550758290784e-13, 2.357225822830389e-12, 1.5004539975352403e-08, 1.0234526458489544e-08], [-2.5964179903840082e-09, 1.5004539975352407e-08, 9.914898618987097e-05, 6.24237786579307e-05], [-2.38634403311079e-09, 1.023452645848954e-08, 6.242377865793065e-05, 4.865181844696957e-05]]}