{"coeffs": [-1.4884845158656225e-07, 3.8639979166941654e-05, 0.6069044924733834, 0.11645066925866161], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.2886395941749804e-08, 1.6372802732852331e-06, 0.008943541839022698, 0.0021562952398520604], "covariance": [[1.0815150380375379e-15, -3.160858491461608e-14, -1.738432026825365e-10, -5.186228116460272e-11], [-3.160858491461609e-14, 2.680686693288968e-12, 1.460713965282736e-08, 3.3200762157104213e-09], [-1.738432026825357e-10, 1.4607139652827355e-08, 7.998694062634949e-05, 1.838815545738534e-05], [-5.186228116460264e-11, 3.3200762157104205e-09, 1.8388155457385345e-05, 4.6496091614086544e-06]]}