|
|
- \documentclass[border=10pt]{standalone}
- \usepackage{pgfplots}
- \pgfplotsset{width=10cm, compat=1.9}
-
- \begin{document}
- \begin{tikzpicture}
- \begin{axis}[
- %axis lines=both,
- xlabel=$x$,
- ylabel=$f(x)$
- ]
-
- \addplot[
- color=red,
- domain=-10:10,
- samples=10,
- mark=*
- ]{x^2-2*x-1};
- \addlegendentry{$x^2-2x-1$}
-
- \addplot[
- color=blue,
- domain=-10:10,
- samples=10,
- mark=square %pentagon%square
- ]{x^2+2*x-1};
- \addlegendentry{$x^2+2x-1$}
-
- \end{axis}
-
-
- \end{tikzpicture}
-
- \end{document}
|