{"coeffs": [-4.6069044940615406e-07, 0.286478531172784, 1.7502181146895088, 0.13625417994113734], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.000853988114838e-07, 129.06319363974725, 61.797923849127294, 0.010655492240245173], "covariance": [[2.5008540610444077e-13, -4.462655647092193e-05, -2.1374427170169987e-05, -4.328265954332734e-09], [-4.4626556470379354e-05, 16657.307952490897, 7975.83677598094, 1.3210318956206284], [-2.1374427169975837e-05, 7975.836775980989, 3818.9833920625356, 0.6326082912044882], [-4.328265954310364e-09, 1.3210318956264464, 0.6326082912072216, 0.0001135395148819251]]}