init

tikzgrafiken/function.tex

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+\documentclass{article}
+
+\usepackage[latin1]{inputenc}
+\usepackage{tikz}
+
+% GNUPLOT required
+\begin{document}
+\pagestyle{empty}
+
+
+\begin{tikzpicture}[domain=0:4]
+    \draw[very thin,color=gray] (-0.1,-1.1) grid (3.9,3.9);
+    \draw[->] (-0.2,0) -- (4.2,0) node[right] {$x$};
+    \draw[->] (0,-1.2) -- (0,4.2) node[above] {$f(x)$};
+    \draw[color=red] plot[id=x] function{x}
+        node[right] {$f(x) =x$};
+    \draw[color=blue] plot[id=cos] function{cos(x)}
+        node[right] {$f(x) = \cos x$};
+    \draw[color=orange] plot[id=exp] function{0.05*exp(x)}
+        node[right] {$f(x) = \frac{1}{20} \mathrm e^x$};
+\end{tikzpicture}
+
+
+\end{document}
+
+%%latex -shell-escape myfile.tex
+
+%%%& -shell-escape -enable-write18