Code: Select all
\subfigure[Observations \protect\textcolor{red}{$\mathbf{y}_j$}.]{\includegraphics[scale=0.8]{obs1.png}
Code: Select all
\subfigure[Observations \protect\textcolor{red}{$\mathbf{y}_j$}.]{\includegraphics[scale=0.8]{obs1.png}
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