{"coeffs": [-2.2138882513015473e-08, 0.15046526470861069, 1.2869285625571223, 0.06660319408934537], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.5872283960265158e-08, 374.5123335317243, 166.37353452232873, 0.00490033171383268], "covariance": [[6.693750773205938e-16, -3.95134646322417e-06, -1.7555058242701247e-06, -6.576480141252566e-11], [-3.951346464358395e-06, 140259.48796737753, 62308.940421629, 1.7563226843431579], [-1.7555058247318468e-06, 62308.94042162756, 27680.152989452505, 0.7802499197866176], [-6.576480142339011e-11, 1.75632268419942, 0.7802499197227293, 2.4013250905594334e-05]]}