{"coeffs": [-8.787684718470837e-06, 0.00026080538254326347, 0.5861940176011488, 0.20201104222679023], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.2397754188589667e-06, 3.528865019638468e-05, 0.04850506325692471, 0.019896104603775427], "covariance": [[1.0496144764642792e-11, -9.632733950147167e-11, -1.2921115863494873e-07, -6.046110475492487e-08], [-9.632733950147142e-11, 1.2452888326828006e-09, 1.7085007661284767e-06, 6.773657013116019e-07], [-1.2921115863494836e-07, 1.7085007661284767e-06, 0.0023527411615582674, 0.0009256223653718627], [-6.046110475492483e-08, 6.773657013116033e-07, 0.0009256223653718646, 0.00039585497840437375]]}