Also:

 |."1(#:3),:#:14
0 0 1 1
0 1 1 1
   
Linda



-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Raul Miller
Sent: Tuesday, January 20, 2015 8:59 AM
To: Programming forum
Subject: Re: [Jprogramming] Using ,: to prepend bits

I am not quite sure what you are asking.

That said, observe:
   f,:g
1 1 0 0
1 1 1 0
   f,:&.(|."1) g
0 0 1 1
1 1 1 0

Thanks,

-- 
Raul

On Tue, Jan 20, 2015 at 8:54 AM, Jon Hough <[email protected]> wrote:
> This is a little problem I'm having.
>
> Let
> f =: #: 3
> g =: #: 14
>
> If I do f ,: g
>
> I get
>
> 1 0 0 0
> 1 1 1 0
>
> Here the shorter number , f, has a zero post-pended to match the shape of
g.
> I would like to find an equivalent verb that prepends the zero.
> i.e. , in the case of the above f and g
>
> f some_verb g
> gives
> 0 1 0 0
> 1 1 1 0
>
> Any help appreciated.
>
> Jon
>
>
> ----------------------------------------------------------------------
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