[pstricks] discontinuous graphs

Markus markuskrebs at web.de
Tue Apr 15 20:01:32 CEST 2008

Hi all!

Is there any solution to prevent pstricks from drawing the vertical lines in

y = floor(x) - x

automatically? Is there any possibility to detect where the function 
is not continuous?

Minimal example

a(x) =  \lfloor x \rfloor -x \qquad \text{mit} \quad \lfloor x 
\rfloor = \max\{n \in \mathbb{Z} \mid n \le x\}
\psplot[linecolor=blue]{-5}{4.99}{x floor x sub}

Thanks for any help in advance!


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