{"coeffs": [5.203744053144979e-07, 0.5799287880317082, 1.7878440815612686, 0.13045216103665763], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.070619037527388e-06, 1079.8611723993586, 244.21589893278477, 0.02163223063858601], "covariance": [[1.1462251235160706e-12, -0.0007766584823137134, -0.00017567554743264425, -1.8409938632878124e-08], [-0.0007766584822378369, 1166100.151655717, 263719.2603002113, 22.415034791113847], [-0.00017567554741565274, 263719.2603002186, 59641.405291548144, 5.069603259932938], [-1.840993863198653e-08, 22.415034791921098, 5.069603260115239, 0.00046795340240097925]]}