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
