[pstricks] drawing inverses

[Thushyanthan Baskaran]

Hi,

man thanks for your suggestions... The \parametricplot command did the 
trick :).

Regards,

Thushy

Dougherty, Michael wrote:
> Use the parametric plot and have the function be the y-value.  Where you originally graphed with 
> \psplot{xmin}{xmax}{f(x)}
> now you do
> \parametricplot{tmin}{tmax}{f(t) t}
> It knows that there will be two outputs, kind of like a stack that ends up with two entries after all the unary and binary operations.
> 
> For an example, let me be lazy and copy something from a book I'm writing, where you have sin x and arcsin x graphed together.  I probably could take some shortcuts but it's what I have on file.
> 
> --Mike Dougherty
> 
> \begin{pspicture}(-2,-4)(2,4)
> \psset{yunit=.5cm}
> \psaxes[Dy=20]{<->}(0,0)(-2,-8)(2,8)
> \parametricplot[linecolor=gray,%
> plotpoints=2000]{-8}{8}{t 180 mul 3.14159265 div sin t}
> \parametricplot[plotpoints=100,linewidth=2pt]%
> {-1.5708}{1.5708}{t 180 mul 3.14159265 div sin t}
> \psline(-.2,-3.1415)(.2,-3.1415)
> \psline(-.2,3.1415)(.2,3.1415)
> \rput[l](.3,-3.1415){$-\pi$}
> \rput[l](.3,3.1415){$\pi$}
> 
> \psline(-.2,-6.28)(.2,-6.28)
> \psline(-.2,6.28)(.2,6.28)
> \rput[l](.3,-6.28){$-2\pi$}
> \rput[l](.3,6.28){$2\pi$}
> \pscircle[fillcolor=black,fillstyle=solid](1,1.5708){.07}
> \pscircle[fillcolor=black,fillstyle=solid](-1,-1.5708){.07}
> \end{pspicture}
> 
> 
> 
> -----Original Message-----
> From: pstricks-bounces at tug.org on behalf of Thushyanthan Baskaran
> Sent: Sun 6/11/2006 1:36 PM
> To: pstricks at tug.org
> Subject: [pstricks] drawing inverses
>  
> 
> 
> 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
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-- 
Dipl.- Vw. Thushyanthan Baskaran
Philipps-University Marburg
Department of Public Finance

Email: baskaran at staff.uni-marburg.de
Phone: +49-6421-282 3173
Fax:   +49-6421-282 4852