Displaying Highlighted Code in LaTeX/Beamer

It is possible to produce "automatically" highlighted code in LaTeX/Beamer using the "lstlisting" package. It supports a wide variety of languages, and one can control color-schemes, treatment of columns, tabs etc.

To produce the following Octave code,

I used the following LaTeX code:

	\documentclass[xcolor=dvipsnames]{beamer}
	\usepackage{graphics, listings}
	\definecolor{gray}{rgb}{0.85,0.85,0.85}
	\lstset{frame=single,
	basicstyle=\tiny,backgroundcolor=\color{gray},
	language=Octave,
	keywordstyle=\color{blue},
	stringstyle=\color{BrickRed},
	commentstyle=\color{OliveGreen}}
	\begin{document}
	\begin{frame}[fragile]
	\frametitle{Algorithm for Determining Maxima}
	\begin{lstlisting}
	function xopt = golden(xl, xu, tol)
	R = (sqrt(5) - 1)/2 % golden ratio
	d = R * (xu - xl)
	x1 = xl + d; f1 = f(x1)
	x2 = xu - d; f2 = f(x2)
	while (xu - xl > tol)
	d = R * d % interval shrinks by factor R
	if (f1 > f2)
	xl = x2
	x2 = x1
	x1 = xl + d
	f2 = f1
	f1 = f(x1)
	else
	xu = x1
	x1 = x2
	x2 = xu - d
	f1 = f2
	f2 = f(x2)
	endif
	endwhile
	xopt = (xu + xl)/2
	endfunction
	\end{lstlisting}
	\end{frame}
	\end{document}

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