{"coeffs": [-0.08377278035082718, 1.3465234388680538e-08, -0.5666881354008471, 0.04496442548892392], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.8331453483844067, 8.163142066706916e-09, 1.4640033358532247, 0.06683380204263663], "covariance": [[3.3604218683033875, 3.121352570894681e-09, 2.003209746493943, -0.013306099105681543], [3.121352570891055e-09, 6.663688840124005e-17, -2.4490504688915145e-09, 2.8656425344287264e-10], [2.0032097464946865, -2.4490504688887223e-09, 2.14330576738937, -0.07264263989302884], [-0.013306099105732294, 2.865642534428072e-10, -0.07264263989305615, 0.00446675709547434]]}