{"coeffs": [9.216764947860574e-07, 1.5422032884355834, 1.8510055858981562, 0.12633109861933486], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.024673027060729e-06, 5219.440399263392, 429.49496918539603, 0.01712605070660482], "covariance": [[1.0499548123857975e-12, -0.0035162821517792696, -0.000289371568562015, -1.3720358839603183e-08], [-0.0035162821516603374, 27242558.081462793, 2241723.3796857796, 85.7166711336817], [-0.00028937156854839415, 2241723.3796857893, 184465.9285555643, 7.053645887401623], [-1.372035883937072e-08, 85.71667113472576, 7.053645887490084, 0.0002933016128051995]]}