{"coeffs": [-2.5107928576304907e-06, 0.3069043019989282, 2.001896636539777, 0.16644510930922993], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.1869719864620474e-06, 450.0543934313919, 245.65086002528875, 0.0443754898442736], "covariance": [[4.7828464695697535e-12, -0.0007626090352287618, -0.0004163544361038574, -8.544987322746631e-08], [-0.0007626090352642355, 202548.95704689808, 110556.24057591795, 19.297406724707024], [-0.0004163544361246123, 110556.24057591493, 60344.345031164004, 10.534085038531076], [-8.544987322971506e-08, 19.29740672434232, 10.534085038332037, 0.0019691840989192293]]}