I guess it will be simpler to convert a singleton into a scalar and
then let J to perform the extension, because a scalar agree with
all shapes in prefix agreement.
B + {.@,A
this works even if A is already a scalar.
Вск, 02 Сен 2012, Linda Alvord писал(а):
> I finally think I know what I don't know. I want to turn "table" A into a
> scalar (which it happens to look like).
>
> A
> 4
> $A
> 1 1
> B=:3 5 7
> A+B
> |length error
> | A +B
> (,A)+B
> |length error
> | (,A) +B
> (,3$A)+B
> 7 9 11
> (,($B)$A)+B
> 7 9 11
>
> It feels wrong to have to do things like this every time I want to use the
> result of a previous computation called A .
>
> Linda
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Linda Alvord
> Sent: Saturday, September 01, 2012 7:26 PM
> To: [email protected]
> Subject: Re: [Jprogramming] Scalar to Vector - Yet again
>
> I wasn't thinking. A isn't a scalar. I even knew it had shape 1 1 .
>
> A
> 4
> $A
> 1 1
> $3 2
> 2
> 2$A
> 4
> 4
> 3 2 + ,2$A
> 7 6
>
> This works! Thanks.
>
> Linda
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of km
> Sent: Saturday, September 01, 2012 6:10 PM
> To: [email protected]
> Subject: Re: [Jprogramming] Scalar to Vector - Yet again
>
> ,4 is a vector
>
> Sent from my iPad
>
>
> On Sep 1, 2012, at 4:56 PM, "Linda Alvord" <[email protected]> wrote:
>
> > I vow to remember how to do this, and several months later I forget
> > and can't find it
> >
> > anywhere. Is there some way to get to the example from the vocabulary
> page?
> > Maybe I can remember that.
> >
> >
> >
> > A=:1 1$4
> >
> > 3 2 + A
> >
> > |length error
> > | 3 2 +A
> >
> >
> >
> > Thanks.
> >
> >
> >
> > Linda
> >
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
> ----------------------------------------------------------------------
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>
> ----------------------------------------------------------------------
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--
regards,
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