{"coeffs": [-9.29322542289693e-06, 0.0008076415878886814, 1.1942148038599487, 0.2992674375445409], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.46041291217442e-06, 0.002500017765380412, 1.2239719312977215, 0.10488597042593117], "covariance": [[4.1736934995789965e-11, -1.4786513244851767e-08, -7.318511098882556e-06, -6.572812806067917e-07], [-1.478651324485178e-08, 6.250088827217668e-06, 0.0030586090248264507, 0.0002575417271232618], [-7.318511098882542e-06, 0.0030586090248264507, 1.4981072886046745, 0.12673816456355938], [-6.572812806067939e-07, 0.0002575417271232618, 0.12673816456355938, 0.011001066792189308]]}