[Jprogramming] Remove part of rank-2 array

[David Vaughan]

How does that work? Using fndisplay, it suggests that it's equivalent to

(* $) A

On 13 Oct 2011, at 13:56, Raul Miller wrote:

> 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
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