[Jprogramming] Remove part of rank-2 array

[Raul Miller]

On Thu, Oct 13, 2011 at 8:52 AM, David Vaughan
<purpleblues13 at googlemail.com> wrote:
> 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

   A=:+/~1+i.3
   (* >:/&i./@$) A
2 0 0
3 4 0
4 5 6

-- 
Raul