{"coeffs": [-1.9176385200186445e-06, 7.638377816233512e-05, 0.6361801146384258, 0.1977980673403495], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.9598071976111715e-07, 3.3895486656634946e-06, 0.015499797859927862, 0.005138141191962982], "covariance": [[3.840844251808553e-14, -5.552812155063269e-13, -2.5223135951833753e-09, -9.388989448711467e-10], [-5.552812155063243e-13, 1.1489040156901178e-11, 5.248069361949722e-08, 1.6808383775601124e-08], [-2.5223135951833617e-09, 5.248069361949723e-08, 0.00024024373369862435, 7.698141726817313e-05], [-9.388989448711446e-10, 1.680838377560117e-08, 7.698141726817332e-05, 2.640049490854677e-05]]}