{"coeffs": [5.4935631122789965e-09, 9.911162097393575e-06, 0.6089318190324731, 0.09834935739646139], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.621935143569423e-08, 1.3787243594050363e-06, 0.02860793849561963, 0.010737879612003494], "covariance": [[5.809389533277865e-15, -5.643377775040572e-14, -1.0865049315777574e-09, -5.64811032915412e-10], [-5.6433777750405685e-14, 1.900880859216828e-12, 3.918574895728357e-08, 1.371592049788383e-08], [-1.0865049315777556e-09, 3.9185748957283566e-08, 0.0008184141449691556, 0.0002840533530644184], [-5.648110329154119e-10, 1.371592049788383e-08, 0.00028405335306441845, 0.0001153020585618803]]}