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Hi,

Before, I had figures in my latex file without captions. my code is like this,

\begin{center}
\includegraphics[width=10cm]{fola}
\end{center}

I was able to get the figure to appear where it wanted, and everything was fine. When I tried to add captions, Latex placed them in the spot, not ...

Hello,

I am trying to draw a rod modeling diffusion of particles placed along the x-axis. I want a picture of rod with particles inside at random locations. In addition, I want to have two "heat sources" (like a small machine ) injecting particles at the origin x=0, and at x=a.

I have no idea how ...