{"coeffs": [-1.7793021005097665e-08, 0.0677074028699881, 1.191977374768062, 0.06405042995800596], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.602275719752873e-08, 113.2476959079277, 107.22488193246993, 0.009300283149470142], "covariance": [[4.359004467963832e-15, -2.972636294461397e-06, -2.8152055010231648e-06, -3.1073272439591777e-10], [-2.972636294813924e-06, 12825.040628454464, 12142.970517483576, 1.008609069237411], [-2.8152055013183613e-06, 12142.970517483325, 11497.175305432116, 0.955032856487456], [-3.107327244113697e-10, 1.0086090692091527, 0.9550328564608916, 8.649526666031828e-05]]}