{"coeffs": [-7.328532868537466e-07, 0.3126708505033453, 1.9065991343663742, 0.1520337447490575], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.896178365520592e-07, 155.5688051827845, 76.08414413997686, 0.011398732550337772], "covariance": [[2.3972562586991893e-13, -5.627519737692287e-05, -2.7529012130219142e-05, -4.7559775637255965e-09], [-5.627519738078732e-05, 24201.653145999157, 11836.31871393996, 1.7086387924059951], [-2.7529012132072138e-05, 11836.318713939572, 5788.796989512774, 0.8357238714643992], [-4.755977563900953e-09, 1.7086387923607016, 0.8357238714423523, 0.00012993110375412984]]}