{"coeffs": [-1.6079268871191585e-07, 6.518279862872103e-05, 0.778492348142867, 0.10296765722825438], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.94248721357835e-08, 0.0001102587931131993, 0.2284597779009741, 0.016361782898451572], "covariance": [[9.885305199216898e-15, -5.8810056653500315e-12, -1.260446114885947e-08, -1.0867489456434408e-09], [-5.881005665350004e-12, 1.2157001458779285e-08, 2.5162657071609776e-05, 1.7155359337126005e-06], [-1.2604461148859479e-08, 2.5162657071609783e-05, 0.05219387011856242, 0.0036028026260346412], [-1.0867489456434375e-09, 1.715535933712601e-06, 0.0036028026260346412, 0.00026770793961606237]]}