{"coeffs": [-1.5024029244210237e-06, 6.0047404645088984e-05, 0.3748554142132181, 0.14558600990160142], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.013647947087706e-07, 1.0388736320608932e-06, 0.004919650677124242, 0.003899700794646643], "covariance": [[9.082073948985945e-14, -2.1913611463970184e-13, -6.958050805157422e-10, -1.0144351303521185e-09], [-2.1913611463970184e-13, 1.0792584233913919e-12, 4.8302613149984064e-09, 3.732673130593207e-09], [-6.958050805157419e-10, 4.8302613149984064e-09, 2.4202962784929015e-05, 1.5271126364783116e-05], [-1.0144351303521185e-09, 3.732673130593207e-09, 1.5271126364783116e-05, 1.520766628776766e-05]]}