Can you describe an elliptical path in mathematical terms? 

Why do you want a list of list of points when a shape description is usually 
just a list of points? 

Also I have never heard of a Union of lists. If this is a homework problem, can 
you ask your instructor for clarification? 



On Dec 21, 2015, at 9:09 AM, Raquel Oliveira <raoliveir...@gmail.com> wrote:

> I'm a beginner at racket and I am finding it difficult to make a list of 
> lists of points follow an elliptical path and also rotate them so that the 
> shape that they make it's facing the centre of the ellipse. I can't make a 
> union on this list either. Can anyone explain me a procedure to do this, 
> please.
> 
> -- 
> You received this message because you are subscribed to the Google Groups 
> "Racket Users" group.
> To unsubscribe from this group and stop receiving emails from it, send an 
> email to racket-users+unsubscr...@googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.

-- 
You received this message because you are subscribed to the Google Groups 
"Racket Users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to racket-users+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to