On Tue, Mar 18, 2014 at 3:22 PM, Christophe Bal <projet...@gmail.com> wrote:
> About weak-left. You need to define a priority of @ the matrix product
> regarding to * the elementwise product because (A*B)@C <> A*(B@C) : see the
> example above. I say that also from a mathematical point of view.

What example above?

> Using mathematical like notations, Matrix1 * Matrix2 * 3 can be written
> because (Matrix1 * Matrix2) * 3 = Matrix1 * (Matrix2 * 3).

This seems to argue against what you just said.

> That's why I think that the weak-left is the better choice.

But this is true as well:

  3 * Matrix1 * Matrix2 = (3 * Matrix1) * Matrix2 = 3 * (Matrix1 * Matrix2)

Does that expression argue for tight-left?

-- 
Robert Kern
_______________________________________________
NumPy-Discussion mailing list
NumPy-Discussion@scipy.org
http://mail.scipy.org/mailman/listinfo/numpy-discussion

Reply via email to