{"coeffs": [-1.9599936480280263e-06, 0.047898658425845814, 2.047918023446757, 0.20955684164807148], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.841941397052237e-07, 3.735211205862184, 16.51563198969508, 0.014295465140114816], "covariance": [[2.3444396492488176e-13, -1.5378639295659949e-06, -6.804611221988368e-06, -6.459003063686773e-09], [-1.5378639295669537e-06, 13.95180275239843, 61.68931934832162, 0.05199020475848405], [-6.804611221989912e-06, 61.68931934832169, 272.76610001903947, 0.22995134289542887], [-6.459003063687455e-09, 0.05199020475849065, 0.22995134289546834, 0.0002043603235722379]]}