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

2018-10-10 Thread Martin Kreuzer
Not sure whether this meets your understanding of "interesting"; this is from basic algebra: NB. Factoring the difference of two squares (binomial) NB, a^2 - b^2= (a+b)*(a-b) NB. explicit version bine=. 13 : '(x+y)*(x-y)' 2 bine 3 _5 NB. compiler suggestion of tacit version bine +-

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

2018-10-10 Thread Linda Alvord
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

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

2018-10-10 Thread Linda Alvord
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 On Behalf Of Raul Miller Sent: Wednesday, October 10, 2018 6:54 PM To: programm...@jsoftware.c

[Jprogramming] Jserver

2018-10-10 Thread Toshinari Kamakura
I am much interested in Jserver for using J in R. Recently I tried to use it in R, but I could not connect with J in R. The following errors occurred: > source("jserver.R") # load R cover functions > > Jinit() # initialize J dyn.load(so) でエラー: 共有ライブラリ '/Users/kamakur

[Jprogramming] Using rank to avoid looping - reference?

2018-10-10 Thread Raul Miller
On Wednesday, October 10, 2018, Linda Alvord 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

Re: [Jprogramming] J807 released

2018-10-10 Thread bill lam
please download and install again, www.jsoftware.com/download/j807/install/jandroid.apk after first boot up, type dver'' and exit to refresh the internal assets folder. On Wed, Oct 10, 2018, 11:22 AM David Mitchell wrote: > Yes, I reported both a fix for the original problem and the fix for t

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

2018-10-10 Thread Linda Alvord
You missed my most important phrase. Reading fro,m right to left... I learned APL from Ken and thus still reand wriaste from right to left. Try reading the "words" from right to left as I described. I am also trying to avoid hooks at this pioint. Can you provide an interesting verb that ha

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

2018-10-10 Thread Linda Alvord
Did you try this in jqt? I got actual hearts, clubs, spaded and diamonds. They didn't look good in the email. I haven't yet considered your info, but thanks in advance. Linda -Original Message- From: Programming On Behalf Of David Lambert Sent: Wednesday, October 10, 2018 2:39 PM To

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

2018-10-10 Thread David Lambert
http://www.jsoftware.com/help/dictionary/d502.htm Cap as the left tine of a fork does, as you suggest, make the middle verb work as a monad.  Every other time cap is invoked as a verb it signals an error. Now let's get this right: (footnote *2) A  B   C  D    E  F G  H  I    J K  L