{"coeffs": [-2.769394480310448e-07, 0.0001697347131311838, 0.8953885263404758, 0.13196669523360324], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.122400983347549e-08, 4.9070268111637265e-05, 0.0487565093477867, 0.0031157453540903734], "covariance": [[1.6994189867504836e-15, -1.3684036479526979e-12, -1.3960082442218587e-09, -1.0295906992516746e-10], [-1.3684036479526292e-12, 2.4078912125479647e-09, 2.3905065341253914e-06, 1.4640300819062981e-07], [-1.3960082442217992e-09, 2.3905065341253965e-06, 0.002377197203780812, 0.00014709110813585123], [-1.0295906992516585e-10, 1.4640300819063212e-07, 0.00014709110813585326, 9.707869111535748e-06]]}