{"coeffs": [-3.332654406789252e-07, 5.34535703093595e-05, 0.43396567356949556, 0.1057977868825453], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.3102580531681187e-07, 8.161425699934719e-07, 0.003676230277187258, 0.002196512192131869], "covariance": [[1.716776165891909e-14, -5.676954175958148e-14, -1.8258691462186893e-10, -2.0518895258049789e-10], [-5.676954175958152e-14, 6.660886945555491e-13, 2.8981919654817407e-09, 1.6066164043228792e-09], [-1.825869146218691e-10, 2.8981919654817407e-09, 1.3514669050908303e-05, 6.725522511852272e-06], [-2.05188952580498e-10, 1.6066164043228788e-09, 6.72552251185227e-06, 4.8246658101839485e-06]]}