hw3: fix

Claudio_Maggioni_3/Claudio_Maggioni_3.tex

@@ -65,7 +65,7 @@ generate these plots can be found in section 1.3 of \texttt{main.m}.
 	\end{subfigure}
 	\begin{subfigure}{0.5\textwidth}
 		\resizebox{\textwidth}{\textwidth}{\input{ex1-3-gd}}
-		\caption{Complete plot}
+		\caption{Complete plot (the blue line is GD with $\alpha = 1$)}
 	\end{subfigure}
 	\caption{Steps in the energy landscape for Newton and GD methods}\label{fig:1}
 \end{figure}
@@ -96,9 +96,10 @@ generate these plots can be found in section 1.4 of \texttt{main.m}.
 		\resizebox{\textwidth}{\textwidth}{\includegraphics{1-4-grad-large.jpg}}
 		\caption{Gradient norms}
 	\end{subfigure}
+	\hfill
 	\begin{subfigure}{0.45\textwidth}
 		\centering
-		\resizebox{\textwidth}{\textwidth}{\includegraphics{1-4-ys-large.jpg}}
+		\resizebox{\textwidth}{\textwidth}{\includegraphics{1-4-ys-large.png}}
 		\caption{Objective function values}
 	\end{subfigure}
 	\caption{Gradient norms and objective function values (y-axes) w.r.t.

Claudio_Maggioni_3/main.m

@@ -143,7 +143,9 @@ matlab2tikz('showInfo', false, './ex1-4-ys.tex');
 figure;
 
 semilogy(0:size(xs3, 2)-1, ys3, 'Marker', '.');
+hold on
 semilogy(0:size(xs4, 2)-1, ys4, 'Marker', '.');
+hold off
 
 legend('GD + backtracking', 'GD (alpha=1)')
 sgtitle("Objective function value w.r.t. iteration number for Newton and GD methods");