There is also 128!:2 but it's not so intrinsic,
e.g. no cyclic expasion.
]`|. (>@($~ #) 128!:2"1 ]) i.5 6
0 1 2 3 4 5
11 10 9 8 7 6
12 13 14 15 16 17
23 22 21 20 19 18
24 25 26 27 28 29
--- Oleg Kobchenko <[EMAIL PROTECTED]> wrote:
> I also though about the cut conjunction, but it's not so easy.
> I made as far as this cubersome zigzag using transpose
>
> |:,./('';1) ]`|.;.1 |:i.5 6
> 0 1 2 3 4 5
> 11 10 9 8 7 6
> 12 13 14 15 16 17
> 23 22 21 20 19 18
> 24 25 26 27 28 29
>
> I was hoping this would work
>
> 1 (<`(<@|.));._3 i.5 6
> |nonce error
> | 1 (<`(<@|.));._3 i.5 6
>
> 1 <;._3 i.5 6
> +-----------------+
> |0 1 2 3 4 5 |
> +-----------------+
> |6 7 8 9 10 11 |
> +-----------------+
> |12 13 14 15 16 17|
> +-----------------+
> |18 19 20 21 22 23|
> +-----------------+
> |24 25 26 27 28 29|
> +-----------------+
>
>
>
> --- Roger Hui <[EMAIL PROTECTED]> wrote:
>
> > m"n already has a meaning and in that meaning
> > ]`|."1 i.5 6 has value 5#,:(]`|.)
> >
> >
> >
> > ----- Original Message -----
> > From: Oleg Kobchenko <[EMAIL PROTECTED]>
> > Date: Sunday, November 26, 2006 1:29 am
> > Subject: Re: [Jprogramming] zig-zag order
> >
> > > The definition of /. has a nice feature for
> > > gerunds:
> > >
> > > x m/.y applies successive verbs from the gerund
> > > m to the collections of y, extending m cyclically as required.
> > >
> > > If there were such adverb that simply
> > > applied items of the gerund to items of argument
> > > extending it cyclically, that zigzag would be trivial.
> > >
> > > Suppose, such adverb is m"n, which for gerund m
> > > applies its items to cells of rank n of the argument.
> > > Then result would be
> > >
> > > ]`|."1 i.5 6
> > >
> > >
> > >
> > > ----- Original Message ----
> > > From: Roger Hui <[EMAIL PROTECTED]>
> > > To: Programming forum <[email protected]>
> > > Sent: Sunday, November 26, 2006 3:27:41 AM
> > > Subject: Re: [Jprogramming] zig-zag order
> > >
> > >
> > > 0 A. y is the identity function on y and _1 A. y
> > > reverses y . A. may be more convenient in some
> > > situations than the <@|.`</. construct. For example,
> > > the following is a different kind of zigzag order:
> > >
> > > ($&0 [EMAIL PROTECTED] A."_1 i.) 5 6
> > > 0 1 2 3 4 5
> > > 11 10 9 8 7 6
> > > 12 13 14 15 16 17
> > > 23 22 21 20 19 18
> > > 24 25 26 27 28 29
> >
> >
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
> >
>
>
>
>
> ____________________________________________________________________________________
> Cheap talk?
> Check out Yahoo! Messenger's low PC-to-Phone call rates.
> http://voice.yahoo.com
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
____________________________________________________________________________________
Cheap talk?
Check out Yahoo! Messenger's low PC-to-Phone call rates.
http://voice.yahoo.com
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
