Re: [Maxima-discuss] Problem with draw2d(implicit(...))

[Robert D. <rob...@gm...>]

On Fri, Mar 20, 2020 at 3:10 PM Michel Talon <ta...@lp...> wrote:

> You are right, this is closer to what the plot should look like.  I have also tried with maple
> as said by Thomas, it gives a very poor plot which looks quite the same as your own.
> Apparently this is a very difficult problem for those plotters since the "rabbit ears" should
> extend to (0,0) as shown by the plot of the Puiseux series. Now i understand how the Puiseux
> developments are to be connected, precisely by these rabbit ears. You can see that on some range of
> x there are 5 solutions to f(x,y)=0  and less in other ranges because some solutions become imaginary.

I don't understand why some methods for plotting this function work
better than others. In addition to the ones already mentioned, there
is also implicit_plot which yields yet another picture. Can someone
explain why different methods give different results here?

best,

Robert Dodier