TORUS CONCERNS



On 11/14/2012 01:07 AM, Jaime Villate wrote:
> Try this:
>
> plot3d ([(3+.5*cos(a))*cos(t), (3+.5*cos(a))*sin(t), .5*sin(a)], [a, 
> 0, 2*%pi], [t, 0, 2*%pi], [grid,30,30],[z, -2, 2]); 
or even this:

plot3d([(3+.5*cos(a))*cos(t), (3+.5*cos(a))*sin(t), .5*sin(a)], [a, 0, 
2*%pi], [t, 0, 2*%pi], [grid,20,40], [box,false],[z, -3, 3], 
[plot_format,xmaxima]);

Jaime