Rose wrote:
> Hi,
>
> I am sorry for my english.
> I want to plot a vertical line. I can draw a horisontal line by doing
> f1=lambda x:1.
> But when I do f1=lambda y:1 it do the same thing, and when I try with
> Infinity(like if a do a circle in \mathbb(C), who past by (1,0) and
> (1,infinity), I got some error.
>
Try doing a parametric plot:
var('t')
parametric_plot( (3,t), -10,10)
(that is off the top of my head, I haven't checked it to make sure it
works...)
Thanks,
Jason
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