{"coeffs": [-1.1106621995940429e-07, -3.317224260265625e-10, -0.30971944426450587, 0.007612255241596342], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.4649017691096764e-08, 8.177016064787296e-09, 0.02822597055472801, 0.011669551588927919], "covariance": [[2.1459371931406594e-16, -1.8960038944399603e-19, 1.464878831399886e-10, -5.898857062858773e-11], [-1.8960038944399697e-19, 6.686359172378951e-17, 2.8738792586247512e-11, 8.422773496482578e-12], [1.4648788313998859e-10, 2.8738792586247512e-11, 0.0007967054137563727, -0.000177830915511322], [-5.898857062858774e-11, 8.422773496482574e-12, -0.00017783091551132208, 0.0001361784342866501]]}