[Jprogramming] Remove part of rank-2 array

[Björn Helgason]

(#"1 ~ >:/&i./@$) A

(#"1 ~ >:/&i./@$) 3 3$'abcpqruvw'

2011/10/13 Aai <agroeneveld400 at gmail.com>

> Using selection patterns
>
>    (#"1~ ]\@(1$~#))A
> 2 0 0
> 3 4 0
> 4 5 6
>
> And so
>
>    (#"1~ ]\@(1$~#))3 3$'abcpqruvw'
> a
> pq
> uvw
>
>
>
>
> Hallo David Vaughan, je schreef op 13-10-11 14:52:
> > I have an array like:
> >
> > 2 3 4
> > 3 4 5
> > 4 5 6
> >
> > but I want to delete the upper right corner like so:
> >
> > 2 0 0
> > 3 4 0
> > 4 5 6
> >
> > How can this be done? Thanks.
> > ----------------------------------------------------------------------
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>
> --
> Met vriendelijke groet,
> =@@i
>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>



-- 
Björn Helgason, Verkfræðingur
Fornustekkum II
781 Hornafirði,
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http://groups.google.com/group/J-Programming


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