I don't know if you are desperate (then this is a decent idea) or trying to
teach others (not so good an idea)
When desperate, I add invisible points and use show(). (Unfortunately
invisible points depend on your plot type since alpha=0 is for 2d and opacity=0
is for 3d...HINT to developers to change this...)
t = var('t')
PP=parametric_plot( (cos(t), sin(t)), (t, 0, 2*pi))
Bx=point([(-2, -2),(2,2)], alpha=0)
show(PP+Bx)
for 3d example see: http://sagemath.wikispaces.com/point3d example 3
On Monday, 21 January 2013 01:01:25 UTC+1, Robert Jacobson wrote:
>
> Setting xmin/xmax for parametric_plot doesn't seem to do anything, but
> ymin/ymax work as expected. What am I doing wrong?
>
> t = var('t')
> parametric_plot( (cos(t), sin(t)), (t, 0, 2*pi), xmin=-2, xmax=2, ymin=-2,
> ymax=2)
>
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