{"coeffs": [-560.6265677614375, 0.01971034705638886, -3.886391929648203, 0.4307891605424474], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.535736136480858, 3.341694404227625e-07, 0.005806308477121027, 2.3053325520213263e-06], "covariance": [[127071608345198.42, -2118427.41129408, 97908898840.62274, -30232382.839053717], [-2118427.41129408, 0.24987949707434914, -1639.539039870461, 1.4701103777890643], [97908898840.62276, -1639.539039870461, 75439251.52565736, -23329.832774717783], [-30232382.83905372, 1.470110377789064, -23329.832774717783, 11.892258086390537]]}