{"coeffs": [-3.09904618940369e-07, 0.3164376115688663, 1.7688500730748258, 0.13787689856437718], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.5930373221330955e-07, 126.03114766369242, 55.26533934621575, 0.009205422885637674], "covariance": [[2.1095991842507556e-13, -4.032809249105729e-05, -1.7689148318613812e-05, -3.453602975782969e-09], [-4.032809248912635e-05, 15883.850181427442, 6965.153624697447, 1.1147831442613791], [-1.768914831777318e-05, 6965.153624697614, 3054.2577330523823, 0.4888927301820523], [-3.4536029756868336e-09, 1.1147831442811542, 0.48889273019075513, 8.473981050342184e-05]]}