I need to rotate of 90 degrees a table of image:
\begin{figure}
\begin{tabular}{cccc}
\subfloat[caption]{\includegraphics[width = 4.5in]{K2E250ellisse.png}} &
\subfloat[caption]{\includegraphics[width = 4.5in]{K2E600ellisse.png}} \\
\subfloat[caption]{\includegraphics[width = 4.5in]{K4E250ellisse.png}}&
\subfloat[caption]{\includegraphics[width = 4.5in]{K4E600ellisse.png}}
\end{tabular}
\caption{4 x 4}
\end{figure}
I tried with adjustbox but it gives me the error :
\begin{adjustbox}{angle=90}
\begin{figure}
\begin{tabular}{cccc}
\subfloat[caption]{\includegraphics[width = 4.5in]{K2E250ellisse.png}} &
\subfloat[caption]{\includegraphics[width = 4.5in]{K2E600ellisse.png}} \\
\subfloat[caption]{\includegraphics[width = 4.5in]{K4E250ellisse.png}}&
\subfloat[caption]{\includegraphics[width = 4.5in]{K4E600ellisse.png}}
\end{tabular}
\caption{4 x 4}
\end{figure}
\end{adjustbox}
! LaTeX Error: Not in outer par mode.
rotatingpackage and replacingfigurebysidewaysfigurein your original code.) – Circumscribe Mar 10 '18 at 17:08