{"coeffs": [-5.847421183413186e-07, 7.526924224599518e-05, 0.40986660928000673, 0.12029018000970663], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.0689504506374966e-07, 1.5100395747375693e-06, 0.0052748703310658025, 0.003481675554545188], "covariance": [[9.418456868468095e-14, -2.7841129171987967e-13, -6.807378302797099e-10, -8.344555900977235e-10], [-2.7841129171987957e-13, 2.280219517273619e-12, 7.646613880701509e-09, 4.755824188637809e-09], [-6.807378302797094e-10, 7.646613880701509e-09, 2.7824257009558245e-05, 1.5063161598028978e-05], [-8.344555900977235e-10, 4.75582418863781e-09, 1.5063161598028978e-05, 1.2122064667117542e-05]]}