{"coeffs": [-8.493303782329756e-07, -6.242487558942792e-08, -0.3008694276216347, 0.029654997172412528], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.2534139137849548e-07, 1.1410196526788041e-07, 0.05342963583798332, 0.04618643759553945], "covariance": [[5.077874266839627e-14, -1.778916726572913e-15, 5.544043627637601e-09, -4.601730358734169e-09], [-1.7789167265729132e-15, 1.3019258477992588e-14, 1.2701299898920382e-09, 1.2972360653507536e-09], [5.544043627637601e-09, 1.2701299898920382e-09, 0.0028547259857795116, -0.0003754204046564095], [-4.60173035873417e-09, 1.2972360653507534e-09, -0.00037542040465640946, 0.0021331870177666596]]}