{"coeffs": [-1.143096351566963e-06, 6.85737788182217e-05, 0.4620443824982763, 0.14393218670781152], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2873439249698746e-07, 1.0061419017948661e-06, 0.0042285571362048295, 0.0021731306340029037], "covariance": [[1.6572543811568423e-14, -8.970212063065409e-14, -3.3338965476088647e-10, -2.359685299106779e-10], [-8.970212063065414e-14, 1.01232152654739e-12, 4.2060713879608645e-09, 2.0408841871267992e-09], [-3.333896547608868e-10, 4.206071387960865e-09, 1.788069545414879e-05, 8.315704770662586e-06], [-2.3596852991067797e-10, 2.0408841871267992e-09, 8.315704770662586e-06, 4.7224967524418625e-06]]}