Here is a small improvement on utility bi
bi =: (<"_1)`('scalar ',":)@.(''-:$)
NB. box items of non-scalar arrays
--Kip Murray
Sent from my iPad
> On Oct 2, 2013, at 1:32 AM, km <[email protected]> wrote:
>
> J displays <1 2 and , <1 2 identically -- you can't tell from the display
> that the first is a scalar and the second is a one-element list. The utility
> bi below boxes the items of non-scalars but displays scalars the way J does.
> Experiment with this utility.
> Try bi i. 3 2 4 and bi <1 2 and bi , <1 2 .
> And try bi on }. 2; < 2 4 $ i.8 and on {: 2; < 2 4 $ i.8
>
> bi =: (<"_1)`]@.(''-:$) NB. box items of non-scalar arrays
>
> --Kip Murray
>
> Sent from my iPad
>
>> On Oct 1, 2013, at 11:17 PM, Pascal Jasmin <[email protected]> wrote:
>>
>> I am taking the shape after I have opened the item. I'd expect it (the
>> insides) to be the same whether I got the item from }. or {:
>>
>>
>>
>> ----- Original Message -----
>> From: Roger Hui <[email protected]>
>> To: Programming forum <[email protected]>
>> Cc:
>> Sent: Wednesday, October 2, 2013 12:00:27 AM
>> Subject: Re: [Jprogramming] strange difference between }. and {:
>>
>> Not so strange. }. and {: are not equivalent, even on 2-element lists.
>>
>>
>> On Tue, Oct 1, 2013 at 8:56 PM, Pascal Jasmin <[email protected]>wrote:
>>
>>> $ >@}. 2; < 2 4 $ i.8
>>> 1 2 4
>>> $ >@{: 2; < 2 4 $ i.8
>>> 2 4
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