[pstricks] arrows on a curve
Marco Daniel
marco.daniel at mada-nada.de
Thu Jul 8 17:47:12 CEST 2010
Hi,
1: you can use a loop also with postscript notation
\documentclass{minimal}
\usepackage{pstricks}
\usepackage{pstricks-add}
\begin{document}
\begin{psgraph}[labels=none,ticks=none](0,0)(-5,-1)(5,20){8cm}{8cm}
\multido{\ra=-4+0.5,\rb=-3.5+0.5}{8}{%
\psplot[algebraic,arrows=->,arrowscale=1.5]{\ra}{\rb}{x^2}
}
\multido{\ra=0+0.5,\rb=0.5+0.5}{8}{%
\psplot[algebraic,arrows=<-,arrowscale=1.5]{\ra}{\rb}{x^2}
}
\end{psgraph}
\end{document}
2: I think. In the documentation you will find an example for including
files
regards
Marco
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