{"coeffs": [-0.0006477986136018872, 6.7311043877454435e-09, -1.976383701829595, 0.19164349442473158], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.5984662586559675, 3.1969074444489476e-08, 474.27885449190023, 0.16734219435068343], "covariance": [[2.5550943800616066, -2.426476208044832e-08, 758.1183380023888, -0.2465777009235913], [-2.4264762078934414e-08, 1.02202172083731e-15, -7.209927537983685e-06, 3.750234436483858e-09], [758.1183380023539, -7.2099275384795595e-06, 224940.43181814905, -73.1935855229059], [-0.24657770091896777, 3.7502344366058704e-09, -73.19358552153743, 0.028003410010101905]]}