{"coeffs": [-2.4942310901158087e-07, 2.6851085568044974e-05, 0.5186837894512016, 0.1672686321453839], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.69883862142392e-08, 5.558137925458443e-07, 0.006611752783941672, 0.002714922332841404], "covariance": [[2.2079084390185043e-15, -1.9808532021918837e-14, -2.2578876843200026e-10, -1.1301849452749019e-10], [-1.9808532021918843e-14, 3.089289719841949e-13, 3.661638985382432e-09, 1.4329732483399381e-09], [-2.2578876843200013e-10, 3.661638985382431e-09, 4.371527487596045e-05, 1.6919114230065936e-05], [-1.1301849452749022e-10, 1.432973248339938e-09, 1.691911423006594e-05, 7.370803273361012e-06]]}