{"coeffs": [-1.2040694481939973e-05, 0.0001885377573689102, 0.4485425079788473, 0.1805865317562036], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.5789788523121135e-06, 1.7531005857624094e-05, 0.028267647964379042, 0.020999740423259014], "covariance": [[2.0967047329921557e-11, -6.494957452175838e-11, -8.694623873427648e-08, -8.909048487707236e-08], [-6.494957452175834e-11, 3.073361663800503e-10, 4.830302821856348e-07, 3.503140886980809e-07], [-8.694623873427634e-08, 4.830302821856346e-07, 0.0007990599214380625, 0.0005221364949626309], [-8.90904848770723e-08, 3.5031408869808096e-07, 0.0005221364949626312, 0.0004409890978442586]]}