{"coeffs": [-4.667986284752306e-06, 0.002842550769258033, 3.0657242056467937, 0.49728009714466764], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.1440892842899843e-06, 0.12882758938734953, 23.5494197151, 0.19156726277558184], "covariance": [[4.5971188590071364e-12, -2.6836041143583886e-07, -4.910391546986851e-05, -4.0739535170193597e-07], [-2.6836041143267545e-07, 0.01659654778735553, 3.0337884992958237, 0.024514500532112533], [-4.910391546930072e-05, 3.0337884992964628, 554.5751689179406, 4.483333068771958], [-4.0739535169957275e-07, 0.02451450053225565, 4.483333068797176, 0.036698016167328824]]}