{"coeffs": [-2.0873904206358095e-05, 4.688067542192843e-05, 0.6469014091887606, 0.316539041647632], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.863501839075018e-06, 1.0322812080897536e-06, 0.02055777138379713, 0.019261448287566166], "covariance": [[8.199642782386012e-12, -2.5840643840705947e-12, 5.672639559499461e-08, -5.33408019647327e-08], [-2.5840643840705996e-12, 1.0656044925752414e-12, -1.5237824939954447e-08, 1.9063920341525228e-08], [5.672639559499457e-08, -1.5237824939954404e-08, 0.0004226219642684681, -0.00034643155187819973], [-5.334080196473275e-08, 1.906392034152521e-08, -0.0003464315518782003, 0.00037100339013458557]]}