{"coeffs": [-1.6082889054396296e-06, 0.19386412430288652, 2.031038832450464, 0.17516720860211396], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.6381827546229674e-07, 30.944598244059154, 28.179344372617706, 0.006630492386743935], "covariance": [[6.960008246790027e-14, -6.479542635159569e-06, -5.90225356443649e-06, -1.5648019465646064e-09], [-6.479542635966596e-06, 957.5681604862289, 871.9983920525642, 0.19858687549876347], [-5.902253565160443e-06, 871.9983920524835, 794.0754492705812, 0.18086313111779406], [-1.5648019466590518e-09, 0.19858687548869955, 0.1808631311086675, 4.396342929066928e-05]]}