{"coeffs": [-1.0844529831392236e-06, -4.8216785100858405e-08, -0.24822691194560326, 0.08927199208614044], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [9.125102146537229e-08, 3.59635499172009e-08, 0.024786610187935047, 0.021158947722117603], "covariance": [[8.326748918473834e-15, -1.0879985950394387e-15, 1.7595944065980375e-09, -1.489306003579184e-09], [-1.0879985950394387e-15, 1.2933769226470008e-15, 6.492144233944237e-11, 4.2824946620768487e-10], [1.7595944065980379e-09, 6.492144233944233e-11, 0.0006143760446086455, -0.00025640806890013713], [-1.4893060035791841e-09, 4.28249466207685e-10, -0.00025640806890013713, 0.00044770106870730574]]}