Re: [Jprogramming] Using rank to avoid looping - reference?

Wed, 10 Oct 2018 21:59:11 -0700 

Here's my notes:

;:'((1 |. [) * _1 |. ]) - ((1 |. [) * _1 |. ])~'
┌─┬─┬─┬──┬─┬─┬─┬──┬──┬─┬─┬─┬─┬─┬─┬──┬─┬─┬─┬──┬──┬─┬─┬─┐
│(│(│1│|.│[│)│*│_1│|.│]│)│-│(│(│1│|.│[│)│*│_1│|.│]│)│~│
└─┴─┴─┴──┴─┴─┴─┴──┴──┴─┴─┴─┴─┴─┴─┴──┴─┴─┴─┴──┴──┴─┴─┴─┘
   
   (i.10) x 3 3 4 4 5 5 6 6 7 7 
   (i.10) x 3 3 4 4 5 5 6 6 7 7 
_20 6 5 6 5 6 5 6 5 _24
   x
            ┌─ 1      
        ┌───┼─ |.     
        │   └─ [      
  ┌─────┼─ *          
  │     │   ┌─ _1     
  │     └───┼─ |.     
  │         └─ ]      
──┼─ -                
  │              ┌─ 1 
  │         ┌────┼─ |.
  │         │    └─ [ 
  └─ ~ ─────┼─ *      
            │    ┌─ _1
            └────┼─ |.
                 └─ ]

Linda

-----Original Message-----
From: Programming <[email protected]> On Behalf Of Linda 
Alvord
Sent: Thursday, October 11, 2018 12:56 AM
To: [email protected]
Subject: Re: [Jprogramming] Using rank to avoid looping - reference?


Raul,  All the verbs seem to be separated by data. I'm looking for a definition 
of a verb with a fork of all three verbs together in the definition.

Linda
-----Original Message-----
From: Programming <[email protected]> On Behalf Of Raul 
Miller
Sent: Wednesday, October 10, 2018 6:54 PM
To: [email protected]
Subject: [Jprogramming] Using rank to avoid looping - reference?

On Wednesday, October 10, 2018, Linda Alvord <[email protected]>
wrote:
> Can you provide an interesting verb that has three dyadic verbs in a 
> sequence.

Cross product can be an example:

   sd=: (1|.[) * _1|.]

   X=: sd - sd~


Here, sd is a dyadic verb, and sd~ is a dyadic verb.


I am sure that there are plenty of other examples, but our current flock of 
search engines don’t support searching on grammar, let alone J grammar.


Thanks,


—

Raul
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