finalized figure cleaning tutorial 1

Author: simongravelle

figures/LJ-energy.png

@@ -825,11 +825,11 @@ \subsubsection{My first input}
 \begin{figure}
 \centering
 \includegraphics[width=\linewidth]{LJ-energy}
-\caption{a)~Potential ($p_\text{e}$) and kinetic energy ($k_\text{e}$) of the
-binary mixture simulated during \hyperref[lennard-jones-label]{Tutorial 1} as
-functions of the step during energy minimization.
-b)~$p_\text{e}$ and $k_\text{e}$ as functions of time $t$ during
-molecular dynamics in the NVT ensemble.}
+\caption{Potential energy ($p_\text{e}$) of the binary mixture simulated
+during \hyperref[lennard-jones-label]{Tutorial 1} as a function of the step
+during energy minimization (a) and during molecular dynamics in the NVT ensemble (b).
+b)~Kinetic energy ($k_\text{e}$) during energy minimization (c) and during
+molecular dynamics (d).}
 \label{fig:evolution-energy}
 \end{figure}