On 19 Mrz., 16:47, Jason Grout <[email protected]> wrote:
> [email protected] wrote:
> > Hello, this command produces one half of a cirle, not 1/4 as excepted.
> > I think that this is a bug in sage 3.4
>
> > Robert
>
> > region_plot([y>0,x>0,x^2+y^2<3], (-3, 3), (-3,
> > 3),plot_points=100,incol='gray').show(aspect_ratio=1)
>
> I get a quarter-circle on my sage 3.4 and on sagenb.org. Can you try on
> sagenb.org?
This works:
sage: var('x,y')
sage: region_plot([y>0,x>0,x^2+y^2<3], (x, -3, 3), (y, -3,3))
But if one leaves out the variables, one gets an half circle:
sage: region_plot([y>0,x>0,x^2+y^2<3], (-3, 3), (-3,3))
I've written a patch which fixes this:
http://trac.sagemath.org/sage_trac/ticket/5567
cheers,
Wilfried
> Also, can you open a fresh worksheet and try the above code, just to
> make sure it's not a bug with displaying old images?
>
> Thanks,
>
> Jason
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