{"coeffs": [-5.482708224398434e-07, 3.995526113431961e-05, 0.517949980610138, 0.1473710925335618], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.3767470251839456e-07, 1.8467602211046785e-06, 0.013259057763391573, 0.005262992195230952], "covariance": [[1.895432371352844e-14, -1.786613822309715e-13, -1.221114553160974e-09, -6.117035884570658e-10], [-1.7866138223097124e-13, 3.4105233142546013e-12, 2.43790987752935e-08, 9.151897327143077e-09], [-1.2211145531609726e-09, 2.43790987752935e-08, 0.00017580261277295436, 6.532967417729834e-05], [-6.117035884570657e-10, 9.151897327143083e-09, 6.532967417729838e-05, 2.769908684706192e-05]]}