{"coeffs": [-4.9459860107884196e-06, 0.030640104159244376, 2.4058120008219013, 0.29529672603255996], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.2126723060770053e-06, 3.384214039750549, 33.09608276158435, 0.07094061492077457], "covariance": [[1.0321263346234144e-11, -1.0021350277877958e-05, -9.808958690810963e-05, -2.2159078865989887e-07], [-1.0021350277967126e-05, 11.452904666844733, 112.00394696497844, 0.23617048422461615], [-9.80895869089665e-05, 112.00394696497288, 1095.3506941616406, 2.310578676871833], [-2.2159078866085504e-07, 0.2361704842236607, 2.3105786768626033, 0.005032570845337624]]}