{"coeffs": [3.669438557114459e-07, 1.1228230031324025, 1.6039914025249642, 0.0996094219716827], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.579751605520778e-07, 3801.004536460127, 338.6700365435021, 0.011468723659074658], "covariance": [[2.0974124768270146e-13, -0.0009577211623597918, -8.534079232141931e-05, -3.560096354645534e-09], [-0.0009577211622859683, 14447635.486190464, 1287286.3388876228, 41.64802602991024], [-8.534079231533332e-05, 1287286.3388876321, 114697.39365237704, 3.7109590039537372], [-3.560096354596346e-09, 41.64802603087725, 3.710959004039806, 0.0001315316223682188]]}