{"coeffs": [-3.4150893566181495e-07, -8.525675793032966e-09, -0.2681463636545079, 0.04655467528001798], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.067437132516152e-08, 2.5551662511800154e-08, 0.03547347450065429, 0.030682031136920487], "covariance": [[2.5678919092003523e-15, -1.6257535996457718e-16, 1.0045502044412736e-09, -8.628494952021766e-10], [-1.6257535996457718e-16, 6.528874571169333e-16, 2.0586861525800688e-10, 2.636128355545508e-10], [1.0045502044412736e-09, 2.058686152580069e-10, 0.00125836739314857, -0.00025014066424150434], [-8.628494952021767e-10, 2.636128355545508e-10, -0.00025014066424150434, 0.0009413870346869583]]}