{"coeffs": [-8.254239328570428e-07, 4.717663650415926e-05, 0.40998490897400336, 0.11610317559480433], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.907825423436809e-07, 3.972072079492864e-06, 0.020748154361193517, 0.011741545893447034], "covariance": [[3.4902401233806304e-13, -1.434392338560951e-12, -6.010624114136991e-09, -5.422094673116818e-09], [-1.43439233856095e-12, 1.577735660468676e-11, 8.059973089004253e-08, 4.267175978781419e-08], [-6.010624114136987e-09, 8.059973089004255e-08, 0.00043048590939591364, 0.00021134873068234266], [-5.422094673116817e-09, 4.26717597878142e-08, 0.00021134873068234266, 0.00013786389996792292]]}