The verb is amend and the main issue is that you must separate 100 and 2 or they become the list 100 2
100 (2)} A=.i.5 0 1 100 3 4 (100) 2} A=.i.5 0 1 100 3 4 Linda -----Original Message----- From: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] On Behalf Of Roger Hui Sent: Monday, September 08, 2014 10:21 AM To: Programming forum Subject: Re: [Jprogramming] Replace one item of a list a=: i.5 a 0 1 2 3 4 a=: 100 (2}) a a 0 1 100 3 4 On Mon, Sep 8, 2014 at 7:18 AM, Sebastian <seb_fo...@arcor.de> wrote: > Hi, > > What is actually the best practice to replace one item of a list? > > The only way I know feels a bit complicated: > > a =: i. 5 > 0 1 2 3 4 > > > > (2 {. a), 100, (3 }. a) > > 0 1 100 3 4 > > > > Best regards, > > Sebastian > ---------------------------------------------------------------------- > 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