See: http://www.jsoftware.com/jwiki/Plot/Class
On Thu, Mar 22, 2012 at 7:49 AM, Linda Alvord <lindaalv...@verizon.net>wrote: > Copy the expression below into ijix and run display. A lovely graph of a > trifolium appears. It seems that it is arriving by mental telepathy. > There > is no sign of 'radar' anyhere. Use load 'plot' and there is no sign of > 'radar'. It is not in names_j_ or names_z_ . So where and what is it? > > -----Original Message----- > From: programming-boun...@jsoftware.com > [mailto:programming-boun...@jsoftware.com] On Behalf Of Henry Rich > Sent: Wednesday, March 21, 2012 7:29 AM > To: Programming forum > Subject: Re: [Jprogramming] Challenge 8 A Shamrock for St. Patrick > > Cute! J version: > > 'radar' plot 0 2p1;'1 + (cos 3*y) + *: sin 3*y' > > Henry Rich > > On 3/21/2012 5:55 AM, Boyko Bantchev wrote: > > FWIW, the cleanest mathematical / programmable trefoil that I know of > > is the following (I am too lazy to do it in J, so Gnuplot): > > > > set size ratio 1.08 > > set parametric > > set polar > > plot [0:2*pi] t,1+cos(3*t)+sin(3*t)**2 > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
