[Report] Add precision in caption of Fig 2

Author: MaxenceGiraud

report/main.tex

@@ -273,7 +273,7 @@ \section{Experiments}
       \caption{Bayesian Kernel PCA}
       \label{fig:bayesk_hinton}
     \end{subfigure}
-    \caption{Hinton diagrams $\mathbf{W}$ matrix of PKPCA and Bayesian Kernel PCA}
+    \caption{Hinton diagrams $\mathbf{W}$ Matrix of PKPCA and Bayesian Kernel PCA (Since the $\mathbf{W}$ is a $N \times q$ Matrix, the diagram showed here are trimmed with the first 10 lines)}
     \label{fig:hinton_kpca}
 \end{figure}