For those who don't have drracket handy: http://pasterack.org/pastes/59296
On Mar 24, 2018 4:26 PM, "Jos Koot" <[email protected]> wrote: > > Very nice, > Jos Koot > > ________________________________ > From: [email protected] [mailto:[email protected]] On > Behalf Of Sanjeev Sharma > Sent: 23 March 2018 22:17 > To: Racket Users > Subject: [racket-users] sharing an awesome plot - warms the cockles of my > heart > > I've done no math in 20 years - used to do tons (with the not so great > graphics of the time) saw this intriguing plot & banged my head against a > wall for a couple of hours. > > Then I just settled down & read the manual systematically, pretending it may > have some info, followed the examples and voila > > (require plot)(plot-new-window? #t) > (define(xu u)(*(sin(* 33 u))(cos(* 9 u)))) > (define(yu u)(*(sin(* 49 u))(sin(* 7 u)))) > (plot(parametric(λ(t)(vector(xu t)(yu t)))0 1)); > > > -- > 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 [email protected]. > 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 [email protected]. > 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 [email protected]. For more options, visit https://groups.google.com/d/optout.

