\begin{table}%t2 \caption{\label{tab2}The first $10$ eigenvectors, their percentage variance and the cumulative percentage of variance of $1829$~fundamental mode Cepheids. The input matrix is an $1829$~$\times$ $100$~array.} %\centering \small \begin{tabular}{cccc} \hline \hline PC &Eigenvalue &Percentage& Cum. Percentage \\ \hline 1&41.0424&41.0424 &41.0424 \\ 2&22.8331&22.8331 &63.8755 \\ 3&11.7668&11.7668 &75.6423 \\ 4& 5.4564& 5.4564 &81.0987 \\ 5& 3.6225& 3.6225 &84.7212 \\ 6& 2.4477& 2.4477 &87.1689 \\ 7& 1.3398& 1.3398 &88.5087 \\ 8& 0.7918& 0.7918 &89.3005 \\ 9& 0.6435& 0.6435 &89.9440\\ 10&0.6395& 0.6395 &90.5835 \\ \hline \end{tabular} \end{table}