{"coeffs": [-2.443660165853112e-06, 3.988960085414674e-05, 0.5040808484205892, 0.21549164811480198], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.237906632215125e-07, 2.193163601692685e-06, 0.01965658553468414, 0.011962698211176476], "covariance": [[1.7959852623372943e-13, -7.99895184985777e-13, -6.638613261736411e-09, -4.817789667808776e-09], [-7.998951849857811e-13, 4.809966583789629e-12, 4.276479700086468e-08, 2.534124163784546e-08], [-6.638613261736452e-09, 4.276479700086472e-08, 0.00038638135488235385, 0.00021999059613363222], [-4.8177896678087904e-09, 2.534124163784541e-08, 0.00021999059613363154, 0.00014310614849168487]]}