{"coeffs": [-1.220752830867811e-06, 6.73913549962959e-05, 0.42057352436235645, 0.15343434655350394], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2989859476596308e-07, 6.641052478931621e-07, 0.0029562200876531073, 0.001876353918082057], "covariance": [[1.687364492217189e-14, -6.23951245563388e-14, -2.284132356188105e-10, -2.124826115119697e-10], [-6.239512455633869e-14, 4.410357802792383e-13, 1.920162552692882e-09, 1.1636122552072694e-09], [-2.2841323561880992e-10, 1.9201625526928816e-09, 8.739237206643746e-06, 4.8530896271340005e-06], [-2.1248261151196944e-10, 1.1636122552072703e-09, 4.853089627134007e-06, 3.5207040259018873e-06]]}