[pstricks] drawing inverses

[Salvatore Vassallo]

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Thushyanthan Baskaran ha scritto:

> 
> Hi,
> 
> I would like to draw a function and its inverse together on a graph. 
> However, since my original function cannot be solved explicitly for the 
> dependent variable, I do not have an explicit function that I could use 
> with psplot. Is there any other solution for drawing inverses?
> 
> Many thanks in advance,
> 
> Thushy Baskaran

It suffices to plot, using parametricplot (f(t),t), i.e., for example,

\psplot[linecolor=red]{0}{2}{x x x  mul mul x  1 mul  add }
\parametricplot[linecolor=blue]{0}{10}{t t t  mul mul t  1 mul  add t }
\psline[linestyle=dashed](0,0)(8,8)

Salvatore Vassallo
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