Extra right parenthesis in that second to last sentence.
FYI,
--
Raul
On Wed, Jan 25, 2017 at 10:58 AM, Jose Mario Quintana
<jose.mario.quint...@gmail.com> wrote:
> Right, one can even get away with,
>
> 13 : '((y i. M) , M) [ M=. <./ y'
> ] (i. , ]) <./
>
> One reason I like tacit sentences is that, after some practice, one can
> manipulate them easily. So, the following are equivalent,
>
> {.@:I.@:(= >./), >./ NB. Jon's verb
> ] ({.@:I.@:([ = ]), ]) >./
> ] ({.@:I.@: = , ]) >./
> ] (i. , ]) >./) NB. The product of 13 : '((y i. M) , M) [
> M=. <./ y'
> (i. , ]) >./ NB. Raul's solution
>
>
> On Wed, Jan 25, 2017 at 9:30 AM, Linda A Alvord <lindaalv...@verizon.net>
> wrote:
>
>> Jon, I haven't been using J for a while so I tried your problem. In a way
>> I must think like a beginner again. Here's my take after a false start
>> where I used APL!
>>
>> [A=:?6#50
>> 40 5 19 46 34 40
>> >/A
>> 1
>> >./A
>> 46
>>
>>
>> i.$A
>> 0 1 2 3 4 5
>>
>>
>>
>> A=>./A
>> 0 0 0 1 0 0
>>
>> i.$A
>> 0 1 2 3 4 5
>> (A=>./A) #i.$A
>> 3
>>
>> f=: 13 :'(y=>./y)#i.$y'
>> f A
>> 3
>>
>> f
>> (] = >./) # [: i. $
>>
>>
>> So this is "beginner Tacsit" that seems to work. Then it is fun to see
>> what I can learn from the masters who have already solved your problem.
>> Keep sending your questions. They are goo for all of us.
>>
>> Linda
>>
>>
>>
>> -----Original Message-----
>> From: Programming [mailto:programming-boun...@forums.jsoftware.com] On
>> Behalf Of 'Jon Hough' via Programming
>> Sent: Tuesday, January 24, 2017 11:29 PM
>> To: programm...@jsoftware.com
>> Subject: Re: [Jprogramming] Return of max of list and it's index in single
>> pass
>>
>> Yep, that's what I was looking for. Thanks!
>>
>> --------------------------------------------
>> On Wed, 1/25/17, Raul Miller <rauldmil...@gmail.com> wrote:
>>
>> Subject: Re: [Jprogramming] Return of max of list and it's index in
>> single pass
>> To: "Programming forum" <programm...@jsoftware.com>
>> Date: Wednesday, January 25, 2017, 12:01 PM
>>
>> maxIndexAndValue=:
>> ((i.,]) >./)
>>
>> I hope this
>> helps,
>>
>> --
>> Raul
>>
>>
>> On Tue, Jan 24, 2017 at 9:58 PM, 'Jon
>> Hough' via Programming
>> <programm...@jsoftware.com>
>> 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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