{"coeffs": [-2.191477230957788e-06, 5.717100626087694e-05, 0.40838011096167864, 0.16936123092449815], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.018768855661985e-07, 1.314083421431948e-06, 0.007120846726870912, 0.004914614023309342], "covariance": [[9.112965403914771e-14, -3.0369389887411774e-13, -1.3493902447130033e-09, -1.3364513143862072e-09], [-3.036938988741178e-13, 1.7268152384822945e-12, 9.128010857888802e-09, 6.082350033667768e-09], [-1.3493902447130039e-09, 9.128010857888803e-09, 5.070645810758817e-05, 3.057169336918099e-05], [-1.3364513143862072e-09, 6.082350033667769e-09, 3.057169336918098e-05, 2.4153430998108836e-05]]}