Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!elroy.jpl.nasa.gov!decwrl!pa.dec.com!shlump.nac.dec.com!decuac!haven!ni.umd.edu!uc780.umd.edu!cs450a03 From: cs450a03@uc780.umd.edu Newsgroups: comp.lang.apl Subject: RE: J questions Message-ID: <4APR91.19411393@uc780.umd.edu> Date: 4 Apr 91 19:41:13 GMT References: <2APR91.18555001@uc780.umd.edu> Sender: usenet@ni.umd.edu (USENET News System) Organization: The University of Maryland University College Lines: 14 Nntp-Posting-Host: uc780.umd.edu Eythan Weg writes: >I will revise my first question: >Let t=.2 : '(x.1{.y.),_1{.y.'. Now ^&2 t 2 3 should produce 4 3. >I want to see t as a black box which operates on the right on vectors. t =. 2 : '(x.1{."1 y.), _1{."1 y.' or t=. 1 : '(x.@{.),_1&{.' then ^&2 t is a verb Raul Rockwell