{"coeffs": [-8.307640683970071e-06, 0.0024956780865410663, 1.4217533853127147, 0.2713930236923332], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.4909630797476078e-06, 0.006157280016811782, 0.7850243435625287, 0.030496867141155716], "covariance": [[6.204897064665686e-12, -1.3927200883680687e-08, -1.7903833285372685e-06, -7.338506662302433e-08], [-1.3927200883674751e-08, 3.79120972054297e-05, 0.004832577948851128, 0.00018425974606393547], [-1.790383328536558e-06, 0.004832577948851229, 0.616263219985779, 0.023582172559060463], [-7.338506662300935e-08, 0.0001842597460639719, 0.023582172559064616, 0.0009300589054253033]]}