{"coeffs": [-6.415747854290869e-07, 0.35543236211326185, 1.931276690449718, 0.15733495621379584], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.110496263893085e-07, 120.52913968987228, 53.66393304100836, 0.009224379742732774], "covariance": [[2.6117172063265184e-13, -4.637182825879346e-05, -2.065167293556059e-05, -4.070242740219394e-09], [-4.637182825788963e-05, 14527.273514380744, 6468.067218913268, 1.072390877162977], [-2.0651672935195495e-05, 6468.067218913327, 2879.817709429829, 0.47751654461471904], [-4.070242740173571e-09, 1.0723908771700668, 0.47751654461788373, 8.508918163813876e-05]]}