{"coeffs": [-6.886242411754068e-06, 0.0001069972781031131, 0.3538202228148013, 0.18872032442575354], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7595622234104073e-06, 4.611102023231527e-06, 0.012871345506861571, 0.012362869994168612], "covariance": [[3.0960592180529757e-12, -6.542402503566643e-12, -1.2690193015108552e-08, -2.0199566312409782e-08], [-6.542402503566633e-12, 2.1262261868649884e-11, 5.5498571147501475e-08, 5.4019573073477127e-08], [-1.2690193015108512e-08, 5.549857114750143e-08, 0.00016567153515700556, 0.00012725278878838227], [-2.0199566312409762e-08, 5.401957307347715e-08, 0.00012725278878838246, 0.0001528405544927146]]}