Thanks, but there seems to be loads of ' ' after the digits:
]test=.10{.p 3^~i.9000x
0
1
8
27
46
125
126
334
125
279
'125'-:"1 test
0 0 0 0 0 0 0 0 0 0
'125 '-:"1 test
0 0 0 0 0 1 0 0 1 0
On 12 Oct 2011, at 00:04, Ric Sherlock wrote:
> You are trying to do something like:
> '12345' = 7 5$'12345'
> |length error
> | '12345' =7 5$'12345'
>
> J doesn't know how to reconcile the list of 5 items with the list of 7
> items (each of which are 5 items long).
> You could do:
> '12345' ="1 ] 7 5$'12345'
> 1 1 1 1 1
> 1 1 1 1 1
> 1 1 1 1 1
> 1 1 1 1 1
> 1 1 1 1 1
> 1 1 1 1 1
> 1 1 1 1 1
>
> But I suspect you want something more like:
> '12345' -:"1 ] 7 5$'12345'
> 1 1 1 1 1 1 1
>
>
>
>
> On Wed, Oct 12, 2011 at 11:51 AM, David Vaughan
> <[email protected]> wrote:
>> Thanks.
>>
>> I'm trying to get those items which are equal to a specific string, but I
>> keep getting length errors, and I'm not quite sure what's going on:
>>
>> p=.(/:~)&":"0
>> (#~ '012334556789' = ]) p 3^~i.9000x
>> |length error
>> | (#~'012334556789'=])p 3^~i.9000
>>
>> I've used a similar tacit verb when dealing with numbers, but I guess this
>> not working has to do with the fact that it's on strings.
>>
>> On 11 Oct 2011, at 23:18, Henry Rich wrote:
>>
>>> (/: 1&{"1)
>>>
>>>> ./@>@:(1&{"1)
>>>
>>> there are other ways too
>>>
>>> Henry Rich
>>>
>>> On 10/11/2011 6:14 PM, David Vaughan wrote:
>>>> I have strings and a numbers in adjacent boxes, like so:
>>>>
>>>> ┌─────────┬─┐
>>>> │0 │1│
>>>> ├─────────┼─┤
>>>> │1 │1│
>>>> ├─────────┼─┤
>>>> │8 │1│
>>>> ├─────────┼─┤
>>>> │27 │1│
>>>> ├─────────┼─┤
>>>> │46 │1│
>>>> ├─────────┼─┤
>>>> │125 │2│
>>>> ├─────────┼─┤
>>>> │126 │1│
>>>> ├─────────┼─┤
>>>> │334 │1│
>>>> ├─────────┼─┤
>>>> │279 │1│
>>>> ├─────────┼─┤
>>>> │0001 │1│
>>>> └─────────┴─┘
>>>>
>>>> How can I do things like sort or>./ on only the second box of each row?
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>>
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