Mario Morales wrote:
I need to draw a circle
I would do it with complex numbers
and polar coordinates:
Circle = function (t,a)
{a*cos(t)+1i*a*sin(t)}
interval=c(-8,8)
plot(interval,interval,type="n",xlab="",ylab="",
asp=1,axes=F)
t=seq(0,2*pi,by=0.01)
center=2+3i; radius=5
lines(center+Circle(t,radius))
locator(1)
dev.off()
Josef Eschgf�ller
--
Josef Eschgf�ller
Dipartimento Matematico
Universita' di Ferrara
http://felix.unife.it
______________________________________________
[email protected] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
