On 4/3/07, Zoho Vignochi <zoho.vignochi at gmail.com> wrote:
> (%i6) x;
> (%o6) [(sin(4*%pi*s)+8*sin(2*%pi*s)+12*%pi*s)/(512*%pi)-(sin(2*%pi*s)+2*
> %pi*s)/(8*%pi)+s]
> (%i7) y;
> (%o7) [(3*sin(5*%pi*s)+25*sin(3*%pi*s)+150*sin(%pi*s))/(12288*%
> pi)-(193*(sin(3*%pi*s)+9*sin(%pi*s)))/(12288*%pi)+sin(%pi*s)/%pi]
>
> I have tried
>
> plot2d([parametric,x, y,[s,0,1]])
>
> but I get an error saying
>
> Unknown plot option specified: s
I think the parameter for a parametric plot needs to be named t.
Also, x and y need to be expressions which evaluate to numbers
(not a list of one non-numeric element).
HTH
Robert Dodier