{"coeffs": [-2.994456145664878e-06, 9.02767382356433e-05, 0.4860535990075474, 0.17127893028753105], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.564949344670938e-07, 3.0710335742988776e-06, 0.010638994733109797, 0.006371095266663388], "covariance": [[3.0968661208753503e-13, -1.3501315095718482e-12, -4.151948273415991e-09, -3.2359208112870705e-09], [-1.350131509571845e-12, 9.43124721447094e-12, 3.226529318966751e-08, 1.858532217143352e-08], [-4.151948273415977e-09, 3.226529318966749e-08, 0.000113188208931138, 6.168445445674378e-05], [-3.2359208112870655e-09, 1.8585322171433533e-08, 6.168445445674387e-05, 4.059085489690063e-05]]}