{"coeffs": [-2.340281059882099e-08, 0.17135456209942143, 1.2543230040975057, 0.06452708424502512], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.517680029421816e-08, 258.5058912752694, 97.65477476163026, 0.003454478405794297], "covariance": [[6.338712730549437e-16, -2.600036202147246e-06, -9.823097307724793e-07, -4.422158375202624e-11], [-2.6000362041488666e-06, 66825.29582402139, 25244.33445888234, 0.8550445593765852], [-9.823097315073481e-07, 25244.3344588806, 9536.45503374474, 0.32301668267752676], [-4.4221583769492616e-11, 0.85504455920033, 0.32301668261101524, 1.1933421056099106e-05]]}