On Wed, 23 Jan 2008, Jason Grout wrote:
>
>
> Robert's patch on trac #1900 affords an opportunity to bring up a small
> simplification of adjacency_matrix(). It seems that the over_integers
> parameter over-complicates the interface. There are other more standard
> ways of specifying the ring over which you would like a matrix, like:
>
> sage: # G is the graph
> sage: matrix(GF(2),G)
>
> or
>
> sage: G.am().change_ring(GF(2))
>
> Can we get rid of the over_integers parameter in favor of these two ways
> of requesting a matrix over a specific ring? No functionality is lost
> (since the GF(2) matrix was only returned if there were no multiple
> edges). Simplicity seems to be gained, since, at least as far as I'm
> aware, adjacency matrices are usually thought to be over the integers,
> not over GF(2), even though we understand they are zero-one matrices.
>
> Of course, if I'm mistaken, let me know.
>
> Thanks,
>
> Jason
An emphatic +1.
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