((],{~) {.@\:)
R.E. Boss
-----Original Message-----
From: Programming [mailto:[email protected]] On Behalf
Of Henry Rich
Sent: woensdag 25 januari 2017 11:15
To: [email protected]
Subject: Re: [Jprogramming] Return of max of list and it's index in single pass
Oh, then
((] , {~) (i. >./))
Henry Rich
On 1/24/2017 11:28 PM, 'Jon Hough' via Programming wrote:
> Thanks for the reply, but
> (i. >./) 2 3 4 2 3 1 gives me only the index of the max element.
>
> I would like the index and value pair returned. It seems Raul solved it.
>
> Thanks again,
> Jon
> --------------------------------------------
> On Wed, 1/25/17, Henry Rich <[email protected]> wrote:
>
> Subject: Re: [Jprogramming] Return of max of list and it's index in single
> pass
> To: [email protected]
> Date: Wednesday, January 25, 2017, 12:02 PM
>
> (i. >./)
>
> From section 1.6.6 of
> http://code.jsoftware.com/wiki/Vocabulary/SpecialCombinations
>
> Henry Rich
>
> On 1/24/2017 9:58 PM, 'Jon Hough' via
> Programming wrote:
> > I want to get the
> max value of a list, and return the first index of its
> occurrence in the list, tacitly.
> >
> > My solution
> >
> > maxWithIndex =: {.@:I.@:(=
> >./), >./
> >
> >
> works ok, but calculates >./ twice. Is there a tacit way
> to do this with only a single calc of >./ ?
> >
> > Thanks,
> > Jon
> >
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