{"coeffs": [-1.1236017474903882e-07, 3.1132736949640246e-09, -0.3317849790124235, 0.021921128506335513], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.919299517390606e-09, 3.774517768762773e-09, 0.010403667573337721, 0.009302838688063683], "covariance": [[6.271530484614309e-17, -1.5594671263241159e-18, 3.4473237080856665e-11, -2.934040522773486e-11], [-1.559467126324116e-18, 1.4246984386705905e-17, 7.102822869718066e-12, 7.162526250653581e-12], [3.4473237080856665e-11, 7.1028228697180675e-12, 0.00010823629897651879, -1.2921611569251001e-05], [-2.934040522773486e-11, 7.162526250653582e-12, -1.2921611569251001e-05, 8.654280765613444e-05]]}