{"coeffs": [-8.596790666168942e-07, 1.8995490057341228e-05, 0.4399074469081069, 0.200261613374354], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.266264818045589e-08, 4.63726073477323e-07, 0.008492178585212931, 0.005330638215477549], "covariance": [[8.586366367814944e-15, -3.5440066533020085e-14, -5.8201929464912e-10, -4.607307343400603e-10], [-3.5440066533020016e-14, 2.150418712226956e-13, 3.890843903323918e-09, 2.366137660643806e-09], [-5.820192946491183e-10, 3.890843903323917e-09, 7.211709712314911e-05, 4.1501432154987774e-05], [-4.6073073434006e-10, 2.3661376606438085e-09, 4.1501432154987835e-05, 2.841570378430967e-05]]}