{"coeffs": [-4.016941498200625e-08, 0.19509111623049138, 1.2241580793213334, 0.06208847565574329], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.710597684991076e-08, 319.878378256678, 102.1591506132729, 0.004000022707984745], "covariance": [[1.3768535179861133e-15, -4.626923506020179e-06, -1.4778657679750057e-06, -7.365922767804015e-11], [-4.62692350804265e-06, 102322.17687612236, 32678.5032266533, 1.2260500905670297], [-1.477865768657911e-06, 32678.50322665185, 10436.492054025375, 0.39157483104018], [-7.36592276963458e-11, 1.226050090417928, 0.3915748309925454, 1.6000181664393614e-05]]}