[erlang-questions] re moving nth element from a list

Anupam Kapoor <>
Tue Jul 1 19:54:06 CEST 2008


On Thu, Jun 26, 2008 at 9:36 AM, Richard A. O'Keefe <> wrote:
>
> On 25 Jun 2008, at 11:08 pm, Anupam Kapoor wrote:
>>
>> ,----
>> | Eh?  The vector cross product is only defined for 3-dimensional space,
>> `----
>> it is defined for n-dimensional vectors too.
>
> WEDGE product is defined for n-dimensional vectors
> (basically the antisymmetric part of the tensor product),
> but CROSS product is not.
but does'nt grassmann algebra extend the canonical
cross-product to R^n ?

> Since this is the operation you wanted 'remove the kth element
> from a list' for, what exactly is it that you are calling a
> cross product?         ^^^^^^^
well, the way i have it implemented is to remove the i'th element
from the vector, take an appropriately formed product of the
remaining elements and repeat.

sorry for the late reply, i was kind of busy moving to a new place.

kind regards
anupam


-- 
In the beginning was the lambda, and the lambda was with Emacs, and
Emacs was the lambda.



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