{"coeffs": [-1.0093534656641925e-05, 0.007950230901785633, 2.87997513396148, 0.4481569568939537], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.5537083286668526e-06, 0.3027952598997109, 17.804887674377568, 0.12345111472402985], "covariance": [[1.2628842885236156e-11, -1.0385273850531996e-06, -6.113168227618652e-05, -4.3420246520698135e-07], [-1.0385273850532869e-06, 0.09168496941773346, 5.391191235932534, 0.03707933530884323], [-6.113168227618858e-05, 5.391191235932536, 317.01402509720225, 2.1814397874792504], [-4.342024652070009e-07, 0.037079335308843234, 2.1814397874792504, 0.01524017772660558]]}