{"coeffs": [-7.315488339419332e-06, 8.001707308359709e-05, 0.45547225336539643, 0.26623092865378484], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.285181670834384e-07, 3.936158684465335e-06, 0.019820141199347326, 0.013567952772890557], "covariance": [[8.621459866039879e-13, -3.2743354856564476e-12, -1.5301800233730493e-08, -1.2174186226395807e-08], [-3.2743354856564432e-12, 1.5493345189291874e-11, 7.730085878906985e-08, 5.2010844004301106e-08], [-1.530180023373047e-08, 7.730085878906981e-08, 0.00039283799716206526, 0.0002528951328065086], [-1.21741862263958e-08, 5.201084400430114e-08, 0.0002528951328065089, 0.00018408934244738855]]}