{"coeffs": [-3.649245433792142e-09, 0.03910212807185717, 1.6541535023793585, 0.11821333993783305], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.7707864327589386e-08, 70.01730792132929, 211.84135634960467, 0.016376714180762492], "covariance": [[2.2760403186996757e-15, -2.006293646606973e-06, -6.071223850890565e-06, -5.695426780040834e-10], [-2.006293646456147e-06, 4902.423408550242, 14832.561161445446, 1.0964810903412296], [-6.071223850387454e-06, 14832.561161445728, 44876.76026004019, 3.317675423020033], [-5.695426779857647e-10, 1.0964810903719227, 3.3176754231130245, 0.00026819676735838734]]}