{"coeffs": [-2.0912571384235016e-06, 0.00017700424690946596, 0.6355552451725608, 0.1549021645538248], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1486643495385796e-06, 3.071475865192973e-05, 0.04864258814157432, 0.013995424296284996], "covariance": [[1.3194297879008884e-12, -2.6389801137193223e-11, -4.172690815075123e-08, -1.4024050009655216e-08], [-2.6389801137193278e-11, 9.43396399046292e-10, 1.4915427613657916e-06, 4.098274455023021e-07], [-4.172690815075138e-08, 1.4915427613657919e-06, 0.0023661013811108267, 0.0006534603689114612], [-1.4024050009655237e-08, 4.0982744550230166e-07, 0.0006534603689114605, 0.00019587190123304435]]}