[Maxima] plotting data that is in an array
Thu Feb 24 22:00:40 WET 2011
El jue, 24-02-2011 a las 16:15 -0500, Doug Stewart escribi?:
> On Thu, Feb 24, 2011 at 3:59 PM, Jaime Villate <villate at fe.up.pt>
> On Wed, 2011-02-23 at 10:56 -0500, Doug Stewart wrote:
> > I tried: plot2d(difar[x],[x,1,200]); plot2d: expression
> evaluates to
> > non-numeric value somewhere in plotting range.
> The form plot2d(difar[x], [x,1,200]);
> would only work if difar[x] existed for any value of x between
> 1 and
> 200, for instance difar[2.345409689].
> To make a plot with points, look at the examples of plot2d
> with the
> "discrete" option in the manual (? plot2d).
> I guess i'm not smart enough to use maxima, because I still don't get
> I have an array made with
> I have put numbers in the array.
> I want to plot the array. Could someone give me an exact line that
> will plot this array?
(%i2) array(a,5) $
(%i3) for i:0 thru 5 do a[i]: bfloat(random(1.0))$
(%i4) plot2d( [discrete, listarray (a)] ) $
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