Re: [Jprogramming] Indvidual unboxing

2018-04-10 Thread Don Guinn
Or simply box each row. ,.<"1>tst ┌───┐ │1 1 0 0 0 0 1 1 0 0│ ├───┤ │1 1 1 0 1 1 1 1 0 0│ ├───┤ │0 0 0 0 0 1 0 1 1 0│ └───┘ On Tue, Apr 10, 2018 at 10:44 AM, Raul Miller wrote: > To get that exact

Re: [Jprogramming] Indvidual unboxing

2018-04-10 Thread Don Guinn
Just unbox it. <"0?3 10$2 ┌─┬─┬─┬─┬─┬─┬─┬─┬─┬─┐ │1│1│1│1│1│0│1│0│1│1│ ├─┼─┼─┼─┼─┼─┼─┼─┼─┼─┤ │0│0│1│1│1│0│1│1│0│1│ ├─┼─┼─┼─┼─┼─┼─┼─┼─┼─┤ │0│0│0│1│1│1│0│0│1│1│ └─┴─┴─┴─┴─┴─┴─┴─┴─┴─┘ tst=:<"0?3 10$2 >tst 1 1 0 0 0 0 1 1 0 0 1 1 1 0 1 1 1 1 0 0 0 0 0 0 0 1 0 1 1 0 On Tue, Apr 10, 2018

Re: [Jprogramming] Indvidual unboxing

2018-04-10 Thread Henry Rich
Cliff's is best, as long as the boxed contents have rank < 2. Henry Rich On 4/10/2018 1:26 PM, Cliff Reiter wrote: ]a=:10 6 8 <@?@$"0] 2 +-+-+-+-+-+-+-+-+-+-+ |1|1|1|1|0|0|0|1|0|1| +-+-+-+-+-+-+-+-+-+-+ |0|1|1|1|0|1| | | | | +-+-+-+-+-+-+-+-+-+-+ |0|1|0|1|1|0|0|1| | | +-+-+-+-+-+-+-+-+-+-+   

Re: [Jprogramming] Indvidual unboxing

2018-04-10 Thread Skip Cave
​​ I probably need to back up a step: My original data looks something like this: t=: 4 : '(y#x),.?y#2' ]tst=: > each(10 t 6),"2 (11 t 5), 12 t 8 ┌──┬─┐ │10│0│ ├──┼─┤ │10│1│ ├──┼─┤ │10│1│ ├──┼─┤ │10│1│ ├──┼─┤ │10│1│ ├──┼─┤ │10│0│ ├──┼─┤ │11│0│ ├──┼─┤ │11│1│ ├──┼─┤ │11│0│

Re: [Jprogramming] Indvidual unboxing

2018-04-10 Thread 'Pascal Jasmin' via Programming
if I understand correctly, there are 2 levels of boxing (or data can be made into 2 level) such as <"1 <"0 ? 3 10 $ 2 then, this will unbox the inner set without introducing fills. ; each <"1 <"0 ? 3 10 $ 2 From: Skip Cave To:

Re: [Jprogramming] Indvidual unboxing

2018-04-10 Thread Joe Bogner
It sounds like maybe this is what you want? (0&{"1 wrote: > if I understand correctly, there are 2 levels of boxing (or data can be > made into 2 level) such as > > <"1 <"0 ? 3 10 $ 2 > > then, this will unbox the inner set without introducing fills. > > ; each <"1 <"0 ? 3 10 $ 2 > > > > >

[Jprogramming] Jd release available

2018-04-10 Thread Eric Iverson
A new Jd release is available that fixes the problems reported with ref. -- For information about J forums see http://www.jsoftware.com/forums.htm

Re: [Jprogramming] Indvidual unboxing

2018-04-10 Thread Raul Miller
To get that exact result, I'd use f=: ,@<@;"1 but I believe Don Guinn's proposal (f=: >) would be more useful. Thanks, -- Raul On Tue, Apr 10, 2018 at 12:35 PM, Skip Cave wrote: > NB.I have an array of boxed boolean values called tst: > $tst > > 132 30 > > NB. I

Re: [Jprogramming] Indvidual unboxing

2018-04-10 Thread Skip Cave
​​Yes! Joe has the verb I need: tst ┌──┬─┐ │10│0│ ├──┼─┤ │10│0│ ├──┼─┤ │10│1│ ├──┼─┤ │10│0│ ├──┼─┤ │10│0│ ├──┼─┤ │10│0│ ├──┼─┤ │11│1│ ├──┼─┤ │11│0│ ├──┼─┤ │11│0│ ├──┼─┤ │11│0│ ├──┼─┤ │11│1│ ├──┼─┤ │12│1│ ├──┼─┤ │12│0│ ├──┼─┤ │12│0│ ├──┼─┤ │12│0│ ├──┼─┤ │12│0│

Re: [Jprogramming] Indvidual unboxing

2018-04-10 Thread Joe Bogner
Here you go sel =: (] ([ {~ (0&{"1@[ i. ])) <@[) 11 sel a ┌──┬─┐ │11│0 0 1 0 1│ └──┴─┘ 12 sel a ┌──┬───┐ │12│1 0 0 0 1 0 0 1│ └──┴───┘ If you were willing to flip the order of sel it could be slightly cleaner sel2=: (([ {~ (0&{"1@[ i. ])) <) a sel2

[Jprogramming] Indvidual unboxing

2018-04-10 Thread Skip Cave
NB.I have an array of boxed boolean values called tst: $tst 132 30 NB. I look at the first three rows of tst: 3{. tst ┌─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┐ │0│1│1│1│0│1│1│0│0│1│0│1│1│0│1│1│1│1│0│0│0│1│1│0│0│1│1│1│ │ │

Re: [Jprogramming] Indvidual unboxing

2018-04-10 Thread Henry Rich
Your array seems odd: it has fills.  Why?  It appears you want to remove the fills, so methinks you should have boxed the rows, not the atoms in the rows. From where you start, you could delete the fills with <@:>@:(-.:)"1 to leave the fills, use <@:>"1 or its equivalent, ]&.:>"1 Henry

Re: [Jprogramming] Indvidual unboxing

2018-04-10 Thread Cliff Reiter
   ]a=:10 6 8 <@?@$"0] 2 +-+-+-+-+-+-+-+-+-+-+ |1|1|1|1|0|0|0|1|0|1| +-+-+-+-+-+-+-+-+-+-+ |0|1|1|1|0|1| | | | | +-+-+-+-+-+-+-+-+-+-+ |0|1|0|1|1|0|0|1| | | +-+-+-+-+-+-+-+-+-+-+    <@;"1 a +---+---+---+ |1 1 1 1 0 0 0 1 0 1|0 1 1 1 0 1|0 1 0 1 1 0 0 1|