{"coeffs": [-3.423117095795443e-06, 0.28594296065572095, 2.156546237878584, 0.20049500936431083], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.6839323293916275e-06, 74.88281034085637, 53.10002604044385, 0.019455312717226794], "covariance": [[2.8356280899703125e-12, -0.00010563767340717729, -7.493545292037224e-05, -3.030673427436986e-08], [-0.00010563767340892891, 5607.435284544666, 3976.278338231797, 1.4164348390788992], [-7.493545292164958e-05, 3976.2783382317198, 2819.612765495815, 1.0045625707307129], [-3.0306734274620995e-08, 1.4164348390686983, 1.0045625707234438, 0.0003785091929250866]]}