{"coeffs": [-2.911764918877276e-06, 0.00019003989630241586, 0.6650497822481151, 0.208193556034408], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.287006862911324e-07, 1.887958816108882e-05, 0.03550246782815462, 0.0092617148354151], "covariance": [[3.9526455294294083e-13, -9.904499503039561e-12, -1.874791754421678e-08, -5.413391941843032e-09], [-9.904499503039498e-12, 3.5643884913232513e-10, 6.696656255393911e-07, 1.6898553661613927e-07], [-1.8747917544216654e-08, 6.696656255393911e-07, 0.0012604252218891534, 0.0003197736039071206], [-5.4133919418430134e-09, 1.6898553661613975e-07, 0.0003197736039071215, 8.577936169254818e-05]]}