{"coeffs": [4.170896060480792e-08, 0.02951380482686272, 1.2680591138672672, 0.07434727374538415], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [4.209237546866971e-08, 118.80787509386847, 298.2866124224517, 0.01946157055831859], "covariance": [[1.7717680725954677e-15, -2.108703851920805e-06, -5.2952241143142955e-06, -4.397688156449034e-10], [-2.1087038513028837e-06, 14115.311184320251, 35438.798024036645, 2.209013423836451], [-5.2952241127434975e-06, 35438.79802403832, 88974.90315046192, 5.5463959108737875], [-4.3976881556998624e-10, 2.2090134240163604, 5.546395911327108, 0.00037875272859641296]]}