{"coeffs": [-0.018187630101657918, -3.6625822754245943e-08, -1.7061841892113407, 0.14449830817466408], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.232278006378527, 2.9066572576212477e-08, 33.61964378502257, 0.008910867245278752], "covariance": [[17.9121771232754, 1.1238931262946685e-08, 142.28727349703374, 0.004312113147990971], [1.1238931263613038e-08, 8.4486564132822725e-16, 8.778636684935896e-08, 1.7269044189284424e-10], [142.28727349703064, 8.778636684306859e-08, 1130.2804482318065, 0.03354407969634224], [0.004312113148327638, 1.7269044189289222e-10, 0.033544079699043966, 7.940355506298171e-05]]}