{"coeffs": [-2.172039965276346e-06, 7.749841936898516e-05, 0.38404743248101225, 0.1514497738149276], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.086812526069667e-07, 1.141977380147023e-06, 0.00427819776721716, 0.0032580526095575307], "covariance": [[9.528411571100596e-14, -2.5315807310877725e-13, -6.834420387519308e-10, -8.787184703957327e-10], [-2.5315807310877704e-13, 1.3041123367674582e-12, 4.670722136841399e-09, 3.4509806386816838e-09], [-6.834420387519301e-10, 4.670722136841398e-09, 1.830297613542189e-05, 1.1452276523874468e-05], [-8.787184703957323e-10, 3.4509806386816854e-09, 1.1452276523874474e-05, 1.0614906806644636e-05]]}