{"coeffs": [-1.4014295862837546e-07, 8.780103712002197e-09, -0.2996399600554183, 0.0014108568335521464], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.677122036670192e-08, 1.63939573352438e-08, 205405.15908990474, 288405.54886273574], "covariance": [[7.166982399225157e-16, 3.729819782896599e-33, -4.2092012781921514e-11, -8.806787964947517e-11], [-9.324549457241497e-34, 2.68761837109794e-16, 6.59090313590076e-13, -4.403393982473759e-12], [-3.522715185979007e-11, 0.0, 42191279380.74908, 59239987646.56152], [-8.806787964947517e-11, -8.806787964947517e-12, 59239987646.56152, 83177760614.81586]]}