\begin{tabular}{lrrrr}
\toprule
Control & Relative fluid $L^2$ & $\Delta c$ & $\Delta V$ & $\Delta\omega$\\
\midrule
Fixed active basis & $2.00\times10^{-4}$ & $4.15\times10^{-5}$ & $1.27\times10^{-4}$ & $5.81\times10^{-4}$\\
Half time step & $2.47\times10^{-4}$ & $8.87\times10^{-5}$ & $1.07\times10^{-4}$ & $8.70\times10^{-4}$\\
Stronger quadrature & $5.90\times10^{-5}$ & $1.37\times10^{-6}$ & $3.38\times10^{-6}$ & $1.49\times10^{-5}$\\
Fluid-force perturbation & $4.55\times10^{-2}$ & $1.37\times10^{-3}$ & $5.25\times10^{-3}$ & $1.58\times10^{-1}$\\
\bottomrule
\end{tabular}