Re: 3D array index as the element itself?

[Jordi Gutierrez Hermoso]

On 18/04/07, John W. Eaton <address@hidden> wrote:
> On 18-Apr-2007, Jordi Gutierrez Hermoso wrote:
> | The meshgrid available in Debian's octave2.9-forge package (which I
> | imagine must be the same meshgrid in the actual 'Forge pages) makes
> | this problem trivially simple to solve. The one in the octave2.1-forge
> | package doesn't seem to have this functionality for 3d arrays...
>
> I'm not sure that this is what the OP really wants, but this works in
> 2.9.10:
>
>   tmp(1,1,1,:) = 1:3;
>   r = repmat (tmp, [3,3,3])
>
> you can use any dimensions, not just [3,3,3] here.

Ooh, is that a new feature of repmat in 2.9.10? The documentation in
2.9.9 seems to imply that repmat only works on matrices, not N-d
arrays. Hm, once Debian devs fix the problems with the 'forge and the
2.9.10 packages, I'll upgrade.

Thanks,
- Jordi G. H.