On Sep 28, 12:28 pm, Tobias Eberle <[EMAIL PROTECTED]> wrote:
> Hi,
Hi Tobias,
> list_plot doesn't plot numpy arrays:
>
> sage: from numpy import *
> sage: a = [[x, x**2] for x in arange(-5,5,0.1)]
> sage: list_plot(a)
>
> works fine, but
>
> sage: a = array([[x, x**2] for x in arange(-5,5,0.1)])
> sage: list_plot(a)
>
> results in
>
> ---------------------------------------------------------------------------
> TypeError Traceback (most recent call
> last)
>
> /home/tobias/<ipython console> in <module>()
>
> /opt/sage/local/lib/python2.5/site-packages/sage/plot/plot.py in
> list_plot(data, plotjoined, **kwargs)
> 4033 P = line(data, **kwargs)
> 4034 else:
> -> 4035 P = point(data, **kwargs)
> 4036 return P
> 4037
>
> /opt/sage/local/lib/python2.5/site-packages/sage/plot/plot.py in
> __call__(self, points, coerce, **kwds)
> 2732 if coerce:
> 2733 xdata = [float(z[0]) for z in points]
> -> 2734 ydata = [float(z[1]) for z in points]
> 2735 else:
> 2736 xdata = [z[0] for z in points]
>
> TypeError: only length-1 arrays can be converted to Python scalars
>
> OS: Linux darkblue 2.6.24-19-generic #1 SMP Wed Aug 20 22:56:21 UTC 2008
> i686 GNU/Linux
> Sage Version: SAGE Version 3.1.1, Release Date: 2008-08-17
>
> I have added a patch to address this issue.
thanks for the bug report and the patch. Mike Hansen did discuss it
last night and we should open a ticket shortly.
> Best wishes,
>
> Tobias
>
Cheers,
Michael
> sage-list_plot.patch
> < 1KViewDownload
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