{"coeffs": [-0.10252851775722381, 0.13173087325930036, 683.1079133401983, 1539.2381347298235], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [143.84782015111037, 121.50282334092815, 1227593.5430803944, 1880624.1241387727], "covariance": [[15603005877423.684, -9645143258124.316, 6.9323053533112264e+16, -2.0044113868571392e+17], [-9645143258124.316, 11132031879126.31, 2.25873413440008e+16, 1.4570896270176042e+17], [6.9323053533112264e+16, 2.25873413440008e+16, 1.1363467990079773e+21, -6.145424284797509e+20], [-2.0044113868571392e+17, 1.4570896270176042e+17, -6.145424284797509e+20, 2.6668937135184444e+21]]}