{"coeffs": [-8.602640240964904e-06, 0.00013445439078010752, 0.47661849221748825, 0.21463472981691925], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.2989673687032382e-06, 9.656006712537136e-06, 0.02486333760924801, 0.01726569678333394], "covariance": [[5.285250962362291e-12, -1.908636338864573e-11, -4.407884385065075e-08, -3.774218134723608e-08], [-1.9086363388645608e-11, 9.323846563256222e-11, 2.368012786300907e-07, 1.6086067234333962e-07], [-4.40788438506504e-08, 2.3680127863009032e-07, 0.0006181855570714464, 0.0003946703797361831], [-3.774218134723597e-08, 1.6086067234334004e-07, 0.00039467037973618473, 0.000298104285414028]]}