According to the Dyalog APL reference manual http://www.dyalog.com/download/lr101.zip , x f/y in Dyalog APL is equivalent to x f/\y in J. (There may be restrictions on f but I am not sure.)
I don't have access to the IBM APL2 documentation but Dyalog APL is supposed to be APL2 compatible. I also know from memory that that is what x f/y does in APL2. ----- Original Message ----- From: "Joey K Tuttle" <[EMAIL PROTECTED]> To: "Programming forum" <[email protected]> Sent: Friday, March 24, 2006 10:52 AM Subject: Re: [Jprogramming] Closest local minimums of data I'm curious (and not an APL2 user), does APL2 really have something similar to x f\ y ?? What is the syntax? - joey At 10:38 +0000 2006/24/3, Mike Day wrote: >As you noted, John Randall's }: > }. is of interest. 2 >/\ ] is a >natural J/APL2 way to do it, whereas }: > }. is the J >form of an ancient APL1 idiom for first differences and the like, ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
