Do we need Mat, Vec, TMmat, Diag, Sym and other matrix types?

[9il]

On Wednesday, 14 March 2018 at 12:45:24 UTC, jmh530 wrote:
> On Wednesday, 14 March 2018 at 05:01:38 UTC, 9il wrote:
>>
>> Maybe we should use only column major order. --Ilya
>
> In my head I had been thinking that the Mat type you want to 
> introduce would be just an alias to a 2-dimensional Slice with 
> a particular SliceKind and iterator. Am I right on that?
>

Nope, I mean completely new type, that will hold Contiguous 2D 
Slice as internal payload.