{"coeffs": [4.5355878332330075e-08, 7.68422860376348e-06, 0.5835885939516086, 0.056176365713450714], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.323788119896739e-08, 2.0026591654282932e-06, 0.029018218661216445, 0.00771652414478061], "covariance": [[1.10475674659667e-15, -2.130112143187739e-14, -3.008115519307932e-10, -1.1143917666388776e-10], [-2.130112143187739e-14, 4.0106437328739485e-12, 5.788452955989114e-08, 1.4362516726179963e-08], [-3.0081155193079366e-10, 5.788452955989114e-08, 0.0008420570142701702, 0.00021115754169050995], [-1.1143917666388789e-10, 1.4362516726179961e-08, 0.0002111575416905099, 5.954474487698213e-05]]}