{"coeffs": [-3.207494065437447e-06, 4.011788905670412e-05, 0.35095846189289337, 0.2058577385652653], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.666277595245219e-07, 6.560471715019191e-07, 0.004945716234967112, 0.0050293814611200045], "covariance": [[7.109036214906628e-14, -1.4588126050405284e-13, -7.812319209209835e-10, -1.2634265503597355e-09], [-1.4588126050405322e-13, 4.303978912356684e-13, 3.029862081307505e-09, 3.151381054058356e-09], [-7.812319209209879e-10, 3.02986208130751e-09, 2.4460109076817263e-05, 2.0063360944677437e-05], [-1.2634265503597371e-09, 3.1513810540583514e-09, 2.0063360944677373e-05, 2.5294677881457593e-05]]}