Oh, that's the asymmetry of ; again! You'd have to use
(<0;1;<a:) { i. 2 2 3
Henry Rich
On 6/1/2012 2:38 AM, Steven Taylor wrote:
> Thanks bob. That makes sense now.
>
> (<0;1;<<1) { i. 2 2 3
> 2
> (<0;1;<<1) { i. 2 2 3
> 3 5
> (<0;1;(0 2)) { i. 2 2 3
> 3 4 5
> (<0;1;(0 2)) { i. 2 2 3
> 3 5
> (<0;1;a:) { i. 2 2 3
> (nothing returned)
> (<0;a:;1) { i. 2 2 3
> 1 4
> ... the only strange thing I guess is that
>
> (<0;1;a:) { i. 2 2 3
> is not equivilent to
> (<0;1) { i. 2 2 3
>
> thanks,
> -Steven
>
>
>
>
> On 1 June 2012 06:49, bob therriault<bobtherria...@mac.com> wrote:
>
>> Hi Steven,
>>
>> If we aren't at the outer limits, you can see them from here :)
>>
>> The different levels of boxing actually have different selection methods.
>> The best explanation I have seen is Henry Rich's "J for C Programmers -
>> Chapter 17"
>> http://www.jsoftware.com/help/jforc/more_verbs_for_boxes.htm#_Toc191734399
>>
>> Hope this helps.
>>
>> Cheers, bob
>>
>> On 2012-05-31, at 9:57 PM, Steven Taylor wrote:
>>
>>> This code gets everything except the 4th item at index 3.
>>>
>>> (<<<3){i. 10
>>> 0 1 2 4 5 6 7 8 9
>>>
>>> Why is '3' boxed three times thought?
>>>
>>> Also interesting / puzzling (the trend is that more dimensions mean less
>>> boxing is valid):
>>> (<<<3){i.10 10
>>> Vs
>>> (<<3){i.10 10
>>>
>>> ... and
>>>
>>> (<3){i. 10 10 10
>>>
>>> ... and
>>>
>>> (???){i. 10 10 10 N.B. are we at the outer limits now?
>>>
>>> thanks,
>>> -Steven
>>> ----------------------------------------------------------------------
>>> For information about J forums see http://www.jsoftware.com/forums.htm
>>
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