On 16.01.2013 17:18, Michele Minelli wrote:
> Hi everyone, I'm sorry if my english is not perfect but I'll try my best!
> What I was trying to do is plotting a function which is defined as
> implicit, such as x^2+y^2=1.
> I searched the web and found a method, which is:
>
> load(draw)
> draw2d(implicit(x^2+y^2=1, x, -2, 2, y, -2, 2))
>
> and this works nicely. Anyway I would like a higher precision since the
> function is plotted with some angles and straight lines.
> Is there a way to obtain this?
> Thank you, bye!
Here is a code by Andrej Vodopivec : "You can trick implicit_plot to do
computations in higher precision" :
http://commons.wikimedia.org/wiki/File:Lemniscates5.png
HTH
Adam