On 29 May 2014 15:28, Juergen Sauermann <juergen.sauerm...@t-online.de>
wrote:

>  The method for discarding a value *Z *seems to be *0 0⍴**Z* instead
> of *0⍴Z* these days. A smarter one could be monadic ⍪ ("table")
> which turns an empty vector into an empty matrix (as does *0 0⍴*).
>

In Dyalog APL you can also use an empty dfn, *{}Z*, but this doesn't
currently work in GNU APL:

      {}Z
VALUE ERROR
      λ1 Z
      ^

Jay.

Reply via email to