\begin{table}%T2
%\centering
\small
\caption{Table of parameters for numerical simulations Figs.~\ref{nleqm}--\ref{nlbetaplot}.} \label{table2}
\begin{tabular}{c l l}
\hline\hline
Parameter & Value  \\
\hline\\[-3.2mm]
$\kappa_{0}$ & $4.0\times10^{7}$ & a constant parameter\\
$\kappa_{1}$ & $1.0\times10^{-2}$ & a constant parameter \\
$\kappa_{2}$ & $2.0\times10^{11}$ & a constant parameter \\
$\hat{\zeta}(\xi_{i})$ & $1.0\times10^{-6}$ & initial $\hat{\zeta}$ value at $\xi_{i}$ \\
$\hat{\beta}(\xi_{i})$ & $1.0\times10^{-6}$ & initial $\hat{\beta}$ value at $\xi_{i}$ \\
$\xi_{i}$ & $500$  & initial $\xi$ value \\
$m_{\max}$ & $3001$ & number of spatial points \\
d$\Xi$ &  $1.60075\times10^{-7}$   & spatial mesh increment \\
$A_{0}$ & $0.7$ & perturbation amplitude, $\Delta/\Sigma_{0}$ \\
$\varsigma$ & $400$ & half-width of initial perturbation \\
$\lambda$ & $5.0$ & gaussian coefficient \\
$m_{0}$ & $1500$ & centre of perturbation \\
d$\tau$ & $7.5\times10^{-7}$ & temporal mesh increment \\
$n_{\max}$ & $2000$ & number of time steps \\
\hline
\end{tabular}
\end{table}