{"coeffs": [-2.0710231150116035e-08, 0.00030345746084931566, 0.8426275179683749, 0.07756831852739934], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.108156086358712e-07, 0.005250681311074875, 1.5503725721647308, 0.048823335059568845], "covariance": [[3.7309570775320986e-13, -1.4500674454387625e-09, -4.3893779033463166e-07, -1.708162435145416e-08], [-1.4500674454387838e-09, 2.7569654230470972e-05, 0.00813723793727665, 0.00024448463898355444], [-4.389377903346304e-07, 0.00813723793727665, 2.4036551125206835, 0.07279737150050838], [-1.708162435145447e-08, 0.00024448463898355444, 0.07279737150050837, 0.0023837180463389244]]}