0 *:@+ 1 *:@+ 2 *:@+ 3 456976 *:@+/i.4 456976 Linda
-----Original Message----- From: programming-boun...@jsoftware.com [mailto:programming-boun...@jsoftware.com] On Behalf Of Dan Bron Sent: Sunday, February 05, 2012 10:58 AM To: 'Programming forum' Subject: Re: [Jprogramming] Another early morning exercise Linda, Boyko's not the first to express this sentiment to you. Don't you wonder what the mysterious appeal of @ is? If so, maybe a more rewarding (and commensurately challenging) exercise for you this morning is: translate from expressions without @ to ones with it For example, you asked for a @-free translation of *:@+/ , and RE provided one. What he didn't tell you is that *:@+/ is probably not what you're looking for in the first place. Translating "square of the sum" into @-free J, we have ([: *: +/). Now, can you (Linda, personally) find an equivalent verb, formulated using @ ? Good luck, -Dan PS: Even harder challenge. So hard that I'll open it up to everyone. Express the original *:@+/ in English. -----Original Message----- From: programming-boun...@jsoftware.com [mailto:programming-boun...@jsoftware.com] On Behalf Of Boyko Bantchev Sent: Sunday, February 05, 2012 9:17 AM To: Programming forum Subject: Re: [Jprogramming] Another early morning exercise On 5 February 2012 14:11, Linda Alvord <lindaalv...@verizon.net> wrote: > My goal has been to translate from expressions with �@ �to ones without it. You also mentioned eliminating @ in another thread. Why do you consider it important? @ is the composition of functions � and is composition not the most natural operation on functions that one could think of? ---------------------------------------------------------------------- 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
