{"coeffs": [-4.036382719166083e-07, -1.736742256155711e-08, -0.2490515876359795, 0.01800959835750397], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.2135489256452294e-07, 8.007833133190775e-08, 0.05309946866614301, 0.050637699830880664], "covariance": [[1.4727009949346906e-14, -3.877286455722268e-16, 1.8717604914695514e-09, -1.7466308169929746e-09], [-3.8772864557222667e-16, 6.4125391489027994e-15, 8.519268094521041e-10, 8.535319158912216e-10], [1.8717604914695518e-09, 8.51926809452104e-10, 0.0028195535726267032, 1.4814547084938432e-06], [-1.7466308169929746e-09, 8.535319158912216e-10, 1.4814547084938432e-06, 0.0025641766441623715]]}