Would you like this more? I just modified your sentence a little.
j=: 13 :' ;x <@((D=:,"1}.)"1#~(C=:=&{:|.)"1)"1 _ y'
j
4 : ' ;x <@((D=:,"1}.)"1#~(C=:=&{:|.)"1)"1 _ y'
f=: 13 :';x ([:<(,"1}.)"1#~(=&{:|.)"1)"1 _ y'
f
[: ; ([: < (,"1 }.)"1 #~ (=&{: |.)"1)"1 _
A j B
0 1 2 0 1 2 0 1
0 1 2 0 1 2 0 1
2 0 1 2 0 1 2 0
2 0 1 2 0 1 2 0
1 2 0 1 2 0 1 2
A f B
0 1 2 0 1 2 0 1
0 1 2 0 1 2 0 1
2 0 1 2 0 1 2 0
2 0 1 2 0 1 2 0
1 2 0 1 2 0 1 2
Linda
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Aai
Sent: Monday, October 15, 2012 12:50 PM
To: [email protected]
Subject: Re: [Jprogramming] stitching matrices
Sorry, by far from elegant:
;A <@((,"1}.)"1#~(=&{: |.)"1)"1 _ B
0 1 2 0 1 2 0 1
0 1 2 0 1 2 0 1
2 0 1 2 0 1 2 0
2 0 1 2 0 1 2 0
1 2 0 1 2 0 1 2
On 15-10-12 16:59, R.E. Boss wrote:
> Given
>
> ['A B' =. 3|L:0<@i."(1)3 5,: 5 4
> +---------+-------+
> |0 1 2 0 1|0 1 2 0|
> |2 0 1 2 0|1 2 0 1|
> |1 2 0 1 2|2 0 1 2|
> | |0 1 2 0|
> | |1 2 0 1|
> +---------+-------+
>
> I want to stitch every row from A with all rows from B where ({:"1 A)
equals {."1 B and one of these columns is deleted.
> This will give me
>
> A foo B
> 0 1 2 0 1 2 0 1
> 0 1 2 0 1 2 0 1
> 2 0 1 2 0 1 2 0
> 2 0 1 2 0 1 2 0
> 1 2 0 1 2 0 1 2
>
> Any elegant solutions?
>
>
> R.E. Boss
>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
--
Met vriendelijke groet,
@@i = Arie Groeneveld
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