{"coeffs": [-7.380306543778674e-07, 4.680925605559742e-05, 0.4182002698113136, 0.11903040980341204], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.0910986746020554e-07, 1.117853529563962e-06, 0.006172843178091335, 0.003915615909754719], "covariance": [[4.3726936669224724e-14, -1.3908748392799888e-13, -5.553087469362924e-10, -6.336702634943445e-10], [-1.3908748392799882e-13, 1.2495965135586075e-12, 6.65737702743143e-09, 3.9638325001264225e-09], [-5.553087469362916e-10, 6.65737702743143e-09, 3.810399290130873e-05, 2.010034461627989e-05], [-6.336702634943442e-10, 3.9638325001264225e-09, 2.0100344616279897e-05, 1.5332047952724282e-05]]}