{"coeffs": [-8.843493905837595e-07, -3.6652857199659875e-08, -0.239074726784832, 0.046920824437270296], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.8261559594170602e-07, 1.0526060670403689e-07, 0.05431660984629485, 0.047237472006686695], "covariance": [[3.334845588114444e-14, -2.318502727556045e-15, 5.1378846126792576e-09, -4.510899837270754e-09], [-2.318502727556045e-15, 1.1079795323701937e-14, 1.4560146159577842e-09, 1.719253080087326e-09], [5.137884612679258e-09, 1.4560146159577844e-09, 0.0029502941051946143, -0.00046094706772232207], [-4.510899837270754e-09, 1.7192530800873258e-09, -0.000460947067722322, 0.0022313787615825093]]}