{"coeffs": [-0.001019228514612118, 5.329653608182913e-06, -3.8292556260464026, 0.7155064115652745], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [0.19761235090485504, 2.1633292968167707e-06, 143.2510757155859, 0.9200752564097203], "covariance": [[0.03905064123014357, -4.2452544392363526e-07, 28.308136918328145, -0.18150209401195783], [-4.245254433386662e-07, 4.679993646465743e-12, -0.0003078068176346135, 1.986917446875012e-06], [28.308136917740036, -0.0003078068180522618, 20520.870693672525, -131.58622753213882], [-0.18150209388698985, 1.986917448235245e-06, -131.58622744428192, 0.8465384774574125]]}