Re: [sage-combinat-devel] Constructing homs

2012-12-05 Thread Andrew Mathas
> - Matrices with rows and columns indexed by whatever objects > I have a (very) rough prototype for this as it is one of the things that I need. Rather than matrices, however, I am thinking of making the underlying object just an array/table as for my applications the full matrix is often

Re: [sage-combinat-devel] Constructing homs

2012-12-05 Thread Nicolas M. Thiery
On Tue, Dec 04, 2012 at 08:00:57PM -0800, Andrew Mathas wrote: >Thanks Nicolas. I appreciate your efforts in putting the category >framework in place! It's beginning to grow on me:) :-) >Depending how far my explorations go I may end up adding some of >the missing pieces... You

Re: [sage-combinat-devel] Constructing homs

2012-12-04 Thread Andrew Mathas
Thanks Nicolas. I appreciate your efforts in putting the category framework in place! It's beginning to grow on me:) Depending how far my explorations go I may end up adding some of the missing pieces... A. -- You received this message because you are subscribed to the Google Groups "sage-com

Re: [sage-combinat-devel] Constructing homs

2012-12-04 Thread Nicolas M. Thiery
Hi Andrew, On Tue, Dec 04, 2012 at 05:56:31AM -0800, Andrew Mathas wrote: >Good morning! I have been trolling through the manuals trying to >understand how to construct a basis for a hom-space but I keep going >around in circles. Can anyone help me out? > >I have two Combi