{"coeffs": [-1.5572889326900163e-06, 5.528733503112013e-05, 0.4364327003537511, 0.14545619436050408], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.842508227631067e-07, 2.942934318879319e-06, 0.015328070748315306, 0.0089275092126253], "covariance": [[2.344988593467457e-13, -9.94961605183302e-13, -4.3624573961412875e-09, -3.68134265250338e-09], [-9.94961605183301e-13, 8.66086240523768e-12, 4.43093301923725e-08, 2.4455694102346375e-08], [-4.3624573961412825e-09, 4.4309330192372494e-08, 0.00023494975286535939, 0.00012105796026595371], [-3.681342652503379e-09, 2.445569410234639e-08, 0.00012105796026595383, 7.97004207415096e-05]]}