Isn't this what you mean? ins1=: 1 : ',&.(m&|.)'
_1 (1) ins i.3 4 0 1 2 3 _1 _1 _1 _1 4 5 6 7 8 9 10 11 4 (2) ins a=:2 3 5 6 NB. the original example. 5 6 4 2 3 4 (2) ins1 a=:2 3 5 6 2 3 4 5 6 R.E. Boss > -----Oorspronkelijk bericht----- > Van: [EMAIL PROTECTED] [mailto:programming- > [EMAIL PROTECTED] Namens Oleg Kobchenko > Verzonden: vrijdag 24 augustus 2007 5:52 > Aan: Programming forum > Onderwerp: Re: [Jprogramming] insert item > > ins=: 1 : '(-m)|.,' > > _1 (3) ins 1 2 3 > 1 2 3 _1 > > _1 (0) ins 1 2 3 > _1 1 2 3 > > _1 (1) ins i.3 4 > 8 9 10 11 > _1 _1 _1 _1 > 0 1 2 3 > 4 5 6 7 > > > --- Fuchs Ira <[EMAIL PROTECTED]> wrote: > > > Very elementary question: > > > > Is there a primitive verb which will insert a value in a list? That > > is, given an index, a new value , and a list, the verb would insert > > the value in the list after the index location. > > > > for example if a=:2 3 5 6 and I want to insert a 4 after in the 3rd > > position, I can say (2{.a) ,4 ,2}.a > > > > Is there a primitive verb to do this? If not, what is the simplest > > definition for doing this? > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > > > > __________________________________________________________________________ > __________ > Choose the right car based on your needs. Check out Yahoo! Autos new Car > Finder tool. > http://autos.yahoo.com/carfinder/ > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
