[Numpy-discussion] einsum

[Gael Varoquaux]

On Thu, Jan 27, 2011 at 12:18:30AM +0100, Hanno Klemm wrote:
> interesting idea. Given the fact that in 2-d euclidean metric, the  
> Einstein summation conventions are only a way to write out  
> conventional matrix multiplications, do you consider at some point to  
> include a non-euclidean metric in this thing? (As you have in special  
> relativity, for example)

In my experience, Einstein summation conventions are quite
incomprehensible for people who haven't studies relativity (they aren't
used much outside some narrow fields of physics). If you start adding
metrics, you'll make it even harder for people to follow.

My 2 cents,

Gaël