> On 3 Feb 2019, at 21:34, David Mertz <me...@gnosis.cx> wrote:
> 
> On Sun, Feb 3, 2019 at 3:16 PM Ronald Oussoren <ronaldousso...@mac.com 
> <mailto:ronaldousso...@mac.com>> wrote:
> The @ operator is meant for matrix multiplication (see PEP 465) and is 
> already used for that in NumPy. IMHO just that is a good enough reason for 
> not using @ as an elementwise application operator (ignoring if having an 
> such an operator is a good idea in the first place).
> 
> Co-opting operators is pretty common in Python.  For example, the 
> `.__div__()` operator spelled '/' is most often used for some kind of numeric 
> division.  Some variations on that, for example vectorized in NumPy.  And 
> different numeric types operate a bit differently.  The name of the magic 
> method obvious suggests division.

I know, but if an element-wise operator is useful it would also be useful for 
libraries like NumPy that already support the @ operator for matrix 
multiplication.  Using @ both for matrix multiplication and element-wise 
application could be made to work, but would be very confusing. 
 
Ronald

—

Twitter: @ronaldoussoren
Blog: https://blog.ronaldoussoren.net/
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