{"coeffs": [-2.960491124155078e-08, 4.6372734605765545e-06, 0.4724241539191477, 0.09401969716255491], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.7710921105378023e-08, 1.4685262090247836e-06, 0.05407517580825697, 0.015786644360741592], "covariance": [[3.3305504148311668e-15, -6.755238437215032e-14, -2.4792368714510296e-09, -8.193610922016023e-10], [-6.755238437215023e-14, 2.1565692265927027e-12, 7.932053029775376e-08, 2.235630281900279e-08], [-2.4792368714510267e-09, 7.932053029775376e-08, 0.0029241246386939, 0.0008264039466740963], [-8.193610922016019e-10, 2.2356302819002793e-08, 0.0008264039466740963, 0.00024921814017253433]]}