Ike Hylkema pisze:
> I want a discrete plot of a function.
> For instance:
>
> declare(n,integer)
> a: abs(n)
>
> Now I want a plot of the points a(n),n. for -5 <= n <= 5
>
> How do I perform this in WXMaxima?
> I try it with wxplot2d([a], [n,-5,5])$, but I get a continuous plot.
> Using discrete plot gives a Lisp- error.
>
>
> Thamks for your help,
>
> Ike Hylkema
> The Netherlands
>
> ic.hylkema at gmail.com <mailto:ic.hylkema at gmail.com>
>
>
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You can draw a set of points [n,a] :
like here
http://www.telefonica.net/web2/biomates/maxima/gpdraw/points/index.html
HTH
Adam