{"coeffs": [-0.0010172343349156405, 1.0258230805211411e-06, -2.9897712588817504, 0.47316933553050533], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.285083500504797, 2.997671062620788e-06, 2483.176602757498, 3.8204768667122386], "covariance": [[27.93210760730804, -1.5211076307134152e-05, 13123.784332984855, -19.99610983116214], [-1.521107631424929e-05, 8.986031799674044e-12, -0.007149541016741925, 1.1326520926978646e-05], [13123.784333012973, -0.007149541013410774, 6166166.0404822705, -9396.820649907711], [-19.99610983572896, 1.1326520924365731e-05, -9396.820652033284, 14.596043489083366]]}