I knew about the first method and I confirm that it has the same problem
but I knew nothing about the second, so... thank you very much! It's not
that easy or intuitive but it works!
Best regards
Michele
Il 16/01/2013 19:02, Jaime Villate ha scritto:
> On 01/16/2013 04:18 PM, Michele Minelli wrote:
>> 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?
> Hi,
> I know two other ways; the first one will probably have the same
> problems as the first:
>
> load (implicit_plot);
> implicit_plot (x^2+y^2-1,[x,-2,2],[y,-2,2]);
>
> the second one, which I have not documented in the manual yet :( is
> the following:
>
> ploteq (x^2+y^2, [x,-2,2], [y,-2,2]);
>
> You will not get the plot yet, just a box with a menu. In the menu,
> click on the "tools" button (the one with a screwdriver and a wrench);
> then, in the box that says "Trajectory at", write down:
> 1 0
> and press enter and click in the OK button.
>
> Best regards,
> Jaime
>