Now make this into a tacit verb table so that a table b gives you the table.
On 11/20/2011 7:09 AM, Björn Helgason wrote:
> or
>
> ('';,.a),.(b);a +/ b
>
> 2011/11/20 Björn Helgason<[email protected]>
>
>>
>> Ok it is simple j we are after
>> We start by defining a and b
>>
>> a=: 2 3 5
>> b=: 0 1 2 3
>>
>> Then we create the elements we want
>>
>> '';b;a;a +/ b
>> ┌┬───────┬─────┬───────┐
>> ││0 1 2 3│2 3 5│2 3 4 5│
>> ││ │ │3 4 5 6│
>> ││ │ │5 6 7 8│
>> └┴───────┴─────┴───────┘
>>
>> Now we rearrange a so it goes down in a column
>>
>> '';b;(,.a);a +/ b
>> ┌┬───────┬─┬───────┐
>> ││0 1 2 3│2│2 3 4 5│
>> ││ │3│3 4 5 6│
>> ││ │5│5 6 7 8│
>> └┴───────┴─┴───────┘
>>
>> Next we arrange it in a 2 by 2
>>
>> ('';b),.(,.a);a +/ b
>> ┌───────┬───────┐
>> │ │2 │
>> │ │3 │
>> │ │5 │
>> ├───────┼───────┤
>> │0 1 2 3│2 3 4 5│
>> │ │3 4 5 6│
>> │ │5 6 7 8│
>> └───────┴───────┘
>>
>> ooppss wrong wa around we fix it with transpose
>>
>>
>> |:('';b),.(,.a);a +/ b
>> ┌─┬───────┐
>> │ │0 1 2 3│
>> ├─┼───────┤
>> │2│2 3 4 5│
>> │3│3 4 5 6│
>> │5│5 6 7 8│
>> └─┴───────┘
>>
>>
>
>
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