{"coeffs": [6.419312329206413e-08, 0.2737026677618905, 1.4994517490895793, 0.08895843313428765], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [9.999149210703484e-08, 921.9940884084529, 300.9665467953646, 0.010046836820387688], "covariance": [[9.99829849379121e-15, -4.6450185455586446e-05, -1.5164163028049669e-05, -6.317422567392563e-10], [-4.645018545336747e-05, 850073.0990601339, 277489.3756033806, 8.845929057972397], [-1.5164163027180911e-05, 277489.375603382, 90580.8622899264, 2.8876651997166904], [-6.317422567302493e-10, 8.845929058108121, 2.887665199760876, 0.0001009389300954978]]}