And with
(-i.10) < aRgs _5
+--++
|10||
+--++
| ||
+--++
the empty frame is a prefix of the other. Thank you for the utility and
references.
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<[email protected]> 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
