{"coeffs": [-2.643874729527684e-06, 7.035385686239259e-05, 0.45961838224927376, 0.16801232400470842], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.718027940733827e-07, 5.2964461696795405e-06, 0.023686485701949218, 0.012714879782552991], "covariance": [[5.956795529394804e-13, -3.1124663409731523e-12, -1.2567057464906447e-08, -8.7641051444853e-09], [-3.1124663409731422e-12, 2.8052342028313078e-11, 1.2424926738045092e-07, 6.367677482102477e-08], [-1.2567057464906395e-08, 1.2424926738045084e-07, 0.0005610496049086448, 0.000275939263061896], [-8.764105144485286e-09, 6.367677482102485e-08, 0.00027593926306189654, 0.0001616681678847748]]}