Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!elroy.jpl.nasa.gov!ncar!gatech!udel!rochester!kodak!uupsi!phage!monardo From: monardo@cshl.org (Pat Monardo) Newsgroups: comp.lang.apl Subject: Re: Do I really need a loop? Message-ID: <1991May17.031707.27992@cshl.org> Date: 17 May 91 03:17:07 GMT References: <3970004@hpwrce.HP.COM> <15160018@hpdmd48.boi.hp.com> <1991May15.134305.10894@yrloc.ipsa.reuter.COM> Sender: news@cshl.org (NO MAIL) Organization: Cold Spring Harbor Laboratory Lines: 11 In article <1991May15.134305.10894@yrloc.ipsa.reuter.COM> hui@yrloc.ipsa.reuter.COM (Roger Hui) writes: > >Alternatively, in J, one could write M *"1 0 V . The rank conjunction >(") modifies times (*) to work on rank 1 objects on the left and rank 0 >objects on the right; that is, multiply vectors of M by scalars of V. > >Alternatively, one could write M *"_1 V ; that is, multiply items of M >by items of V. amen. and the absurdity of the previous posts should make them reconsider whether the APL they speak has any value at all.