[Python-Dev] Matrix product

Greg Ewing greg.ewing at canterbury.ac.nz
Wed Jul 30 03:30:20 CEST 2008

Guido van Rossum wrote:

> last time '@' was considered as a new operator, that character had no
> uses in the language at all. Now it is the decorator marker.

The only alternatives left would seem to be ?, ! or $,
none of which look particularly multiplicationish.

> But would it be totally outlandish to propose A**B for matrix
> multiplication? I can't think of what "matrix exponentiation" would
> mean...

But ** has the same problem -- it already represents
an elementwise operation on numpy arrays.


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