{"coeffs": [-1.1727723269366012e-06, -3.618948060614423e-08, -0.20625821472755707, 0.06110756168736114], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.913345740280957e-08, 3.1151607036862944e-08, 0.012838017348446718, 0.011351920417210854], "covariance": [[2.4140966363537028e-15, -2.6774893026859275e-16, 3.440488761054538e-10, -3.234586023860397e-10], [-2.677489302685927e-16, 9.704226209791289e-16, 1.1351063241423533e-10, 1.533430551087604e-10], [3.440488761054538e-10, 1.1351063241423535e-10, 0.0001648146894390189, -2.719271113305352e-05], [-3.234586023860397e-10, 1.5334305510876042e-10, -2.719271113305352e-05, 0.00012886609715868867]]}