{"coeffs": [-1.3764956693096076e-07, 4.300439504523141e-06, 0.6250681632192777, 0.11175509534133342], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.1815979762820683e-07, 3.4375374452605036e-07, 0.018167156568973074, 0.015727118517214294], "covariance": [[1.3961737775538792e-14, -2.6601415780119035e-14, -7.346686026069528e-10, -1.5544700446902713e-09], [-2.6601415780119044e-14, 1.1816663687568108e-13, 5.682338799194547e-09, 4.890433260897849e-09], [-7.346686026069537e-10, 5.682338799194548e-09, 0.00033004557780158154, 0.0002062409629987477], [-1.554470044690272e-09, 4.890433260897848e-09, 0.00020624096299874764, 0.0002473422568545047]]}