{"coeffs": [-4.6325150226008224e-08, 5.6685702563742016e-05, 0.7462420940262923, 0.10100178898227774], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.2738099409632472e-08, 1.5066319622398309e-05, 0.03703710188054992, 0.0032999799844065343], "covariance": [[5.170211647623286e-16, -1.8062336942070786e-13, -4.60171932936699e-10, -4.949011124860646e-11], [-1.806233694207076e-13, 2.2699398696426431e-10, 5.57273017005028e-07, 4.721156692525354e-08], [-4.6017193293669744e-10, 5.57273017005028e-07, 0.0013717469157102347, 0.0001177962287464116], [-4.949011124860627e-11, 4.721156692525355e-08, 0.0001177962287464116, 1.0889867897483751e-05]]}