If you want additional references, here's a google search that finds a
few others:
(site:jsoftware.com OR "jprogramming" OR "j programming") "frame" "cell" "rank"
The quotes help eliminate bogus hits.
--
Raul
On Sat, Dec 24, 2011 at 2:55 PM, Kip Murray <k...@math.uh.edu> wrote:
> Raul, I have now looked at your references on frame and cell, and you
> have done a real service providing the spectrum from the Primer's very
> useful introduction through Roger's article on implementation. Thank
> you /very/ much. Kip
>
>> On 12/24/2011 8:17 AM, Raul Miller wrote:
>>> Here is a utility which shows how J parcels arguments:
>>>
>>> aRgs=:1 :0
>>> YRank=. #$y
>>> URank=. 0>. YRank (] + [ * ]< 0:) {. u b. 0
>>> ,: URank (}.;{.) $y
>>> :
>>> XRank=. #$x
>>> YRank=. #$y
>>> URank=. 0>. (XRank,YRank) (] + [ * ]< 0:) }. u b. 0
>>> (({.URank) (}.;{.) $x) ,: ({:URank) (}.;{.) $y
>>> )
>>>
>>> Example use:
>>>
>>> 1 + 1 2 3
>>> 2 3 4
>>>
>>> 1 + aRgs 1 2 3
>>> +-++
>>> | ||
>>> +-++
>>> |3||
>>> +-++
>>>
>>> The rows here represent the structure of the x and y arguments. The
>>> first column is the shape of the "frame". The second column is the
>>> shape of the "cells".
>>>
>>> If these concepts are unfamiliar, please review one or more references
>>> on the subject. For example:
>>>
>>> http://www.jsoftware.com/help/primer/frame_and_cell.htm
>>> http://www.jsoftware.com/help/dictionary/dicta.htm
>>> http://www.jsoftware.com/help/dictionary/dictb.htm
>>> http://www.jsoftware.com/papers/rank1.htm
>>>
>>> Generally speaking, however, the frames must agree (one must be a
>>> prefix of the other) and the interpretation of the cells depends on
>>> the verb being used.
>>>
>>> Here is the example you were asking about:
>>>
>>> d=:6 _5 7 3
>>>
>>> r=:<./,>./
>>>
>>> (-i.10)< aRgs 1 {. r d
>>> +--++
>>> |10||
>>> +--++
>>> |1 ||
>>> +--++
>>>
>>> You can see here that the frames do not agree.
>>>
>>> --
>>> Raul
>>>
>>> P.S. I sometimes have a problem where my mail client removes line ends
>>> from my message. I believe I have averted that problem. However I
>>> cannot test that this is the case except by sending the email message.
>>> I the above message is garbled, you have my apologies.
>>>
>>> P.P.S. I am experimenting with a naming convention where the case of
>>> the first two letters of a user defined name depend on the syntactic
>>> type of that name: NOUN, Adverb, cONJUNCTION, verb
>>>
>>> On Fri, Dec 23, 2011 at 2:41 AM, Linda Alvord<lindaalv...@verizon.net>
>>> wrote:
>>>>
>>>> d=:6 _5 7 3
>>>> r=: 13 :'(<./y),>./y'
>>>> r
>>>> <./ ,>./
>>>> r d
>>>> _5 7
>>>> (-i.10)
>>>> 0 _1 _2 _3 _4 _5 _6 _7 _8 _9
>>>> 1{.r d
>>>> _5
>>>> (-i.10)<_5
>>>> 0 0 0 0 0 0 1 1 1 1
>>>>
>>>> (-i.10)<1{.r d
>>>> |length error
>>>> | (-i.10)<1{.r d
>>>>
>>>> (-i.10)<(1{.r d)
>>>> |length error
>>>> | (-i.10)<(1{.r d)
>>>>
>>>> I want something like this, but this is a simple example of what
>>>> doesn't
>>>> work.
>>>>
>>>> Linda
>>>>
>>>> ----------------------------------------------------------------------
>>>> 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
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
