{"coeffs": [-5.492309705380951e-06, 0.13623101678385277, 4.466329524060906, 0.45810168316121125], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [2.252257196282623e-05, 1530.7413127520092, 5178.131069170252, 1.317203388876418], "covariance": [[5.072662478206863e-10, -0.03332105074238122, -0.1127244602875314, -2.9375755150993907e-05], [-0.03332105080179347, 2343168.9665657445, 7926378.898917568, 2000.6446358162498], [-0.11272446048807963, 7926378.89890378, 26813041.369506255, 6767.914824206006], [-2.9375755177088315e-05, 2000.644634085229, 6767.914818362389, 1.7350247676675201]]}