Re: RFC 169 (v1) Proposed syntax for matrix element access and slicing.

The PDL extension module already does all that. 

The point IS to get more PDL like functionality into the core, hence
Budda's and others RFCs.

This is what perl6-language data is discussing.

Karl


Michael Maraist wrote:

> Hence C-like matrixes.  But apply various matlab like functionality to it.
> 
> If you go there, then you're really asking for trouble, since you might as
> well ask for more and more.  Though I think matlab is cool, and if we have
> enough mathematicians in the house, I'd love to add some more libraries to
> CPAN, I don't think this is the answer.
> 
> The closest I would whole-heartedly advocate is a bunch of C-functions with
> perl wrappers.
> 
> use Math::Matrix ':all';
> 
> my Math::Matrix $mat1 = new Math::Matrix dim => [ $dim1, $dim2, $dim3 ];
> 
> my Math::Matrix $mat2 = $mat1->slice( [ 0 .. 5 ], [ 0 .. 2 ], [ 3 .. 8 ] );
> 
> You can optimize this to your heart's content.  And do so with complete
> perl5 capability.
> 
> Maybe I'm wrong and this sort of activity solves a wide verity of problems.
> However, this added complexity is only going to enlarge the core, and make
> it harder for newbies to learn arrays (not that that's bad in and of
> itself).
> 
> -Michael

• Re: RFC 169 (v1) Proposed syntax for matrix element access and slicing. by Michael Maraist
• Re: RFC 169 (v1) Proposed syntax for matrix element access and slicing. by Karl Glazebrook