{"coeffs": [-2.5595073075586192e-06, 2.0616409822772327e-05, 0.3981588852302677, 0.27100197116298014], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.3572224220287557e-07, 3.9093030441470295e-07, 0.006836868207905919, 0.0062450546240983675], "covariance": [[1.842052702857602e-14, -4.772250813318098e-14, -7.241360358936469e-10, -8.210438177990505e-10], [-4.772250813318074e-14, 1.5282650290977233e-13, 2.6034402048553503e-09, 2.3777324181978438e-09], [-7.241360358936411e-10, 2.603440204855345e-09, 4.6742766892274694e-05, 3.860707451725104e-05], [-8.210438177990488e-10, 2.3777324181978496e-09, 3.860707451725122e-05, 3.90007072579724e-05]]}