{"coeffs": [-0.05657263868331202, 4.049503722758614e-09, -1.715159860924899, 0.09981576758479978], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.358462189804454, 2.4239463428824533e-08, 9.407761218338628, 0.04008938573664714], "covariance": [[28.713117039563944, -4.619924175330428e-09, 50.34574617064018, 0.026905635242737924], [-4.619924175422848e-09, 5.87551587317322e-16, -1.4075782045088255e-08, 5.070831933160033e-10], [50.34574617064367, -1.4075782044923355e-08, 88.50597114127629, 0.028139026849128584], [0.026905635242447618, 5.070831933161459e-10, 0.028139026848616144, 0.0016071588487416872]]}