{"coeffs": [-0.009547739073064835, 2.5876974095278034e-09, -1.9939044642398103, 0.1496779481919415], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.7437461559979797, 2.4790408207056658e-08, 42.99108522040653, 0.035845667844693244], "covariance": [[7.5281429685536905, 2.2436001519608098e-09, 117.9526097221356, 0.006493724612908706], [2.2436001523294114e-09, 6.145643390725021e-16, 2.9376175139482385e-08, 6.017030296779298e-10], [117.9526097221265, 2.9376175134020068e-08, 1848.2334084282572, 0.08907062166011934], [0.00649372461382061, 6.017030296778833e-10, 0.08907062167441912, 0.0012849119032320752]]}