Array operation for computing the dot product?

Daniel Keep daniel.keep.lists at gmail.com
Wed Feb 3 14:13:50 PST 2010



Ellery Newcomer wrote:
> On 02/03/2010 03:09 PM, Simen kjaeraas wrote:
>> On Wed, 03 Feb 2010 21:19:57 +0100, Michiel Helvensteijn
>> <m.helvensteijn.remove at gmail.com> wrote:
>>
>>> bearophile wrote:
>>>
>>>>> Indeed. The difficult question is, what would the syntax be?
>>>>
>>>> What about the simper:
>>>> x.dot(y)
>>>
>>> I don't like symmetric operations with an asymmetric syntax.
>>>
>>> Better: dot(x, y)
>>> Even better: dot_product(x, y)
>>> Funner: sum(x .* y)
>>
>> Weirder:
>>
>> x · y
>>
> 
> I vote obscure unicode character \u2743: heavy chevron snowflake
> 
> x ❆ y

Considering TeX was invented (in part) to handle typesetting of
mathematical formulae, one might imagine it would be a good idea to use
its syntax...

x \mdot y

Yeah, maybe not...



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