{"coeffs": [-6.430463697340529e-07, 5.3073691976939844e-05, 0.42958485486947856, 0.11424592632124314], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.2486719364822728e-07, 1.3487384982678661e-06, 0.0063962893563184724, 0.0038550571548164915], "covariance": [[5.0565254779229345e-14, -1.737170933488347e-13, -6.093773271515307e-10, -6.516389120112612e-10], [-1.7371709334883472e-13, 1.8190955367098588e-12, 8.35748878552269e-09, 4.700280402776362e-09], [-6.093773271515302e-10, 8.35748878552269e-09, 4.091251752975298e-05, 2.073746636034068e-05], [-6.51638912011261e-10, 4.700280402776362e-09, 2.0737466360340683e-05, 1.4861465666901824e-05]]}