{"coeffs": [-2.1836939389697237e-06, 0.015236951428757979, 2.1823962998121234, 0.25364184534851714], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.716819315536592e-07, 1.0805845838712298, 18.260053332387237, 0.03276514672256237], "covariance": [[4.5115661717565455e-13, -6.49838487158638e-07, -1.0991781986068007e-05, -2.111021660203013e-08], [-6.498384871587007e-07, 1.1676630429001589, 19.731485971735935, 0.03468199864668758], [-1.099178198606556e-05, 19.731485971735935, 333.42954770162623, 0.5863257420498297], [-2.111021660202438e-08, 0.03468199864668757, 0.5863257420498296, 0.00107355483975104]]}