Re: [Jprogramming] J conference 2012

2012-08-22 Thread Jan Jacobs
ls, the conference sessions look very interesting. Is it planned that contributors put them all on line? Or should we address authors personally for topics of interest? Thanks in advance, Jan. On Wed, Aug 22, 2012 at 11:23 PM, Jose Mario Quintana wrote: > I added a link to my presentation (J sess

Re: [Jprogramming] Creating random symmetric matrices

2012-08-22 Thread bill lam
IMO one can understand tacit form if that was what flowing out naturally from his/her brain, not by cheating by using 13 :. Habitual use of 13 : can hinder a user to acquire the ability to think in tacit form. Срд, 22 Авг 2012, Linda Alvord писал(а): > If you are able to use 5!:4 and get a tre

Re: [Jprogramming] Creating random symmetric matrices

2012-08-22 Thread Linda Alvord
If you are able to use 5!:4 and get a tree, is that a way to tell if the definition is tacit? Thanks for letting me know that I was not clear about tacit. Linda -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] On Behalf

Re: [Jprogramming] Creating random symmetric matrices

2012-08-22 Thread Ric Sherlock
Just a pedantic nitpick with regard to terminology here. Ewart's verbs were already tacit. I think the key thing that your versions show is how that tacit translates to explicit and then how 13 : retranslates them to another tacit version without hooks. On Thu, Aug 23, 2012 at 12:45 PM, Linda Alvo

Re: [Jprogramming] jal not updating

2012-08-22 Thread Linda Alvord
Thanks Ric! You forced me to be careful and retrace my steps (after 4 or 5 earlier tries). All is well now. I'm using Vista and I tried to indicate where I wanted to install during the process of installing J701. That is where I could only install jhs in Program Files. I finally saw th

Re: [Jprogramming] Creating random symmetric matrices

2012-08-22 Thread Linda Alvord
Ewart's function in tacit version: trian=: 13 :'-:y*>:y' indsy=: 13 :'(>.|:i.y)+/tri i.y' indsy 4 0 1 3 6 1 2 4 7 2 3 5 8 3 4 6 9 trian [: -: ] * >: indsy ([: >. [: |: i.) +/ [: tri i. Linda -Original Message- From: programming-boun...@forums.jsoftware.com [mailto:

Re: [Jprogramming] Creating random symmetric matrices

2012-08-22 Thread Henry Rich
Why yes, that's much better. Very clever way of filling the triangle. Henry Rich On 8/22/2012 4:28 PM, Ric Sherlock wrote: Note that Ewart Shaw has responded to this on the Wiki with a solution that only generates the required number of random numbers: http://www.jsoftware.com/jwiki/EwartShaw/

Re: [Jprogramming] J conference 2012

2012-08-22 Thread Jose Mario Quintana
I added a link to my presentation (J session) in http://www.jsoftware.com/jwiki/Community/Conference2012#Schedule -- For information about J forums see http://www.jsoftware.com/forums.htm

Re: [Jprogramming] Creating random symmetric matrices

2012-08-22 Thread Ric Sherlock
Note that Ewart Shaw has responded to this on the Wiki with a solution that only generates the required number of random numbers: http://www.jsoftware.com/jwiki/EwartShaw/RandomSymmetricMatrix On Wed, Aug 22, 2012 at 5:30 PM, Ric Sherlock wrote: > The other option is not to add them in the first