{"coeffs": [-1.8990402267471137e-06, 0.08381238186794153, 2.8722929397213064, 0.2933721856633391], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.784734534553924e-06, 48.811356441618166, 172.3878005099882, 0.07342368443402497], "covariance": [[3.1852773588294115e-12, -8.02080246875213e-05, -0.000283335658800369, -1.273467269766827e-07], [-8.020802469204869e-05, 2382.5485176706993, 8414.480998363722, 3.5249809133606798], [-0.0002833356588167184, 8414.480998363033, 29717.553764671487, 12.450533536746667], [-1.2734672698022993e-07, 3.5249809132680685, 12.450533536419968, 0.00539103743586728]]}