{"coeffs": [-3.988990531464159e-05, -9.531350744178403e-07, -0.3917755238648085, 0.10905977665362937], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.7296282978091424e-05, 4.654376954007693e-07, 0.09512587246564073, 0.027351749742835944], "covariance": [[2.991614048582151e-10, -3.7213002204817945e-12, 1.6385016617512412e-06, -4.383153659061518e-07], [-3.7213002204818454e-12, 2.166322482999793e-13, -1.9978785876040322e-08, 7.757637230257823e-09], [1.6385016617512414e-06, -1.9978785876040263e-08, 0.009048931612349346, -0.0024416230042249047], [-4.3831536590615245e-07, 7.757637230257737e-09, -0.0024416230042249077, 0.0007481182139947261]]}