{"coeffs": [7.32308765441284e-08, 0.17062698469146664, 1.31525237090545, 0.07116378828673149], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.104451787328867e-08, 604.4264123538278, 253.3097230020552, 0.00950626713995414], "covariance": [[5.047323519848034e-15, -1.832570489779023e-05, -7.68099302669996e-06, -3.6577667388040073e-10], [-1.832570488556886e-05, 365331.28795091953, 153107.08619500307, 5.4937742193732655], [-7.68099302163524e-06, 153107.08619501328, 64165.81576737793, 2.3024679276033506], [-3.6577667374545934e-10, 5.493774220413421, 2.3024679280389093, 9.036911493617188e-05]]}