{"coeffs": [-3.549848403290055e-07, 4.612546324260524e-05, 0.4134625149966979, 0.10488893922133768], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.014632862030442e-07, 7.129119067665791e-07, 0.0035925742666399777, 0.0020188463872624564], "covariance": [[1.0294798447120861e-14, -4.025290933776366e-14, -1.5660379969529608e-10, -1.5009941560134444e-10], [-4.0252909337763663e-14, 5.082433868095596e-13, 2.4962734125223605e-09, 1.302916965883856e-09], [-1.5660379969529603e-10, 2.49627341252236e-09, 1.2906589861323775e-05, 6.2130211710423105e-06], [-1.5009941560134444e-10, 1.302916965883856e-09, 6.213021171042311e-06, 4.075740735362672e-06]]}