{"coeffs": [-1.4927984471659907e-07, 0.04060745259118893, 1.292032071903893, 0.08513485000028569], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [8.195567606088704e-08, 14.795886370662279, 30.90490408912944, 0.007470832782573872], "covariance": [[6.716732838597053e-15, -5.906103324383876e-07, -1.2343167290728971e-06, -3.7381607547588817e-10], [-5.906103324636369e-07, 218.91825349354977, 457.2653742879935, 0.10555840400183945], [-1.2343167291197652e-06, 457.26537428798383, 955.1130967582898, 0.22052420875811415], [-3.738160754836388e-10, 0.10555840400063136, 0.22052420875562492, 5.5813342465180464e-05]]}