{"coeffs": [-1.1952199801470537e-06, 0.1958447779617433, 1.8720418118216833, 0.15639684853195002], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.83961205583142e-07, 35.03417366517514, 28.12507234997474, 0.006693600959850081], "covariance": [[8.063396627623142e-14, -7.4654957721601894e-06, -5.995265087564587e-06, -1.6374841451584934e-09], [-7.465495772445788e-06, 1227.3933244016514, 985.3385436155454, 0.22614965557398048], [-5.99526508778419e-06, 985.3385436155186, 791.0196946913136, 0.1815756811346634], [-1.6374841451904573e-09, 0.22614965557060568, 0.18157568113195188, 4.480429380970593e-05]]}