{"coeffs": [-1.1998247243155404e-07, 0.037087336850936396, 1.2641803762285657, 0.08120258661084512], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.8910296840943294e-08, 5.789183210414281, 12.680065159524087, 0.0029581953992189104], "covariance": [[8.358052634314557e-16, -7.864693325984259e-08, -1.7235401313081559e-07, -5.0579727260726184e-11], [-7.864693326169635e-08, 33.5146422437426, 73.40720907214607, 0.016356599012407956], [-1.7235401313512333e-07, 73.40720907214504, 160.7840524497766, 0.03583204633855009], [-5.057972726111592e-11, 0.01635659901227762, 0.035832046338264596, 8.750920019959927e-06]]}