To give you a more direct reply: conjunctions, like & and @ work on either verbs or nouns. =: and =. are neither, they are a special category called copula.
I hope this clarifies. On 20 Nov 2014 00:21, "Raul Miller" <[email protected]> wrote: > See also > > http://www.jsoftware.com/help/dictionary/dicte.htm > > Thanks, > > -- > Raul > > On Wed, Nov 19, 2014 at 5:03 PM, Sergey Kamenev <[email protected]> > wrote: > > > a=:2 > > > > (a &+)\ 1 2 3 > > 3 0 0 > > 3 4 0 > > 3 4 5 > > > > > > *(a & =:)\ 1 2 3* > > |syntax error > > | (a&=:)\1 2 3 > > > > *Why error?* > > > > Even more simple example > > > > a + & ^. 5 > > 2.30259 > > > > a =: & ^. 5 > > |syntax error > > | a=: &^.5 > > > > *Why compose don't support assigment?* > > > > Sergey > > > > P.S. > > > > a =: @ ^. 5 > > |syntax error > > | a=: @^.5 > > > > ---------------------------------------------------------------------- > > 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
