try %@(+/)@:% or in explicit form
3 : '% +/ % y' untested. Сбт, 13 Окт 2012, Keith Park писал(а): > To find the value of resistors in parallel one takes the reciprocal of the > sum of the reciprocals. So I would like to write a verb to do just > that. *pr=:%+/% > *But that, of course, doesn't work. So my question is "is there a way > of avoiding unwanted hooks and forks?" > > On Fri, Oct 5, 2012 at 8:20 AM, Keith Park <[email protected]> wrote: > > > Thanks! > > > > > > On Thu, Oct 4, 2012 at 10:14 PM, Raul Miller <[email protected]>wrote: > > > >> In the sentence: > >> > >> +/&.:% resistances > >> > >> the phrase +/&.:% is a verb which finds parallel resistance. > >> > >> -- > >> Raul > >> > >> On Thu, Oct 4, 2012 at 9:19 PM, Keith Park <[email protected]> wrote: > >> > To parallel a number of resistors the expression * %+/% *does the job. > >> > How could one make an equivalent verb? > >> > > >> > On Wed, Sep 26, 2012 at 12:38 PM, Boyko Bantchev <[email protected]> > >> wrote: > >> > > >> >> On 26 September 2012 15:39, Henry Rich <[email protected]> wrote: > >> >> > +&.% is the operation for combining parallel electrical resistances, > >> >> another > >> >> > example that immediately demonstrates the associativity. > >> >> > >> >> Indeed! I had the vague feeling I know this formula from somewhere > >> >> else but it evaded me where. > >> >> > >> >> > (w:h) ................. > >> >> > >> >> The above is a mistake, of course. I should have said h:w, or place > >> >> rectangles one above the other instead. > >> >> ---------------------------------------------------------------------- > >> >> 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 > >> > > > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm -- regards, ==================================================== GPG key 1024D/4434BAB3 2008-08-24 gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
