{"coeffs": [-1.1301855028649425e-07, 0.10265964351275751, 1.1648137541912478, 0.05815549584765374], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.119403241723617e-08, 93.12964405371422, 52.760737192354675, 0.0029634479759090377], "covariance": [[4.491870101028577e-16, -7.388893002596636e-07, -4.186694259225269e-07, -2.993075711689059e-11], [-7.388892999717169e-07, 8673.130601571507, 4913.58862036669, 0.2647984789433237], [-4.1866942575382804e-07, 4913.588620366932, 2783.695389080718, 0.15002282779134032], [-2.993075711049148e-11, 0.264798478969257, 0.15002282780599535, 8.782023905919372e-06]]}