Just remember, it's not in-place if you use the gerund form.
Henry Rich
Oleg Kobchenko wrote:
> Combining the two
>
> a=. i. 4 4
>
> 1 2 ({:@[{])`([:<a:;{...@[)`] } a
> 0 8 2 3
> 4 9 6 7
> 8 10 10 11
> 12 11 14 15
>
>> From: Henry Rich <[email protected]>
>>
>> If the array is large it is perhaps best to do it in-place:
>>
>> a =. i. 4 4
>> a =. (2 { a) (<a:;1)} a
>> a
>> 0 8 2 3
>> 4 9 6 7
>> 8 10 10 11
>> 12 11 14 15
>>
>
>> From: R.E. Boss <[email protected]>
>>
>> Column 1 replaced by row 2:
>>
>>
>> 1 2 (];(({:@[{|:@])`({...@[)`])}&.|:) i.4 4
>> +-----------+-----------+
>> | 0 1 2 3| 0 8 2 3|
>> | 4 5 6 7| 4 9 6 7|
>> | 8 9 10 11| 8 10 10 11|
>> |12 13 14 15|12 11 14 15|
>> +-----------+-----------+
>
>> adam dunne wrote:
>>> Given a square table a=.i.4 4 is it possible, in one line, to replace
>>>
>>> Column 1 with row 2, using a gerund or directly. I seem to get rank errors.
>
>
>
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